ICD-10-CM category
T37: Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics
Codes under T37 (Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| T37.0 | Poisoning by, adverse effect of and underdosing of sulfonamides | — |
| T37.0 | Poisoning by, adverse effect of and underdosing of sulfonamides | — |
| T37.0X | Poisoning by, adverse effect of and underdosing of sulfonamides | — |
| T37.0X | Poisoning by, adverse effect of and underdosing of sulfonamides | — |
| T37.0X1 | Poisoning by sulfonamides, accidental (unintentional) | — |
| T37.0X1 | Poisoning by sulfonamides, accidental (unintentional) | — |
| T37.0X1A | Poisoning by sulfonamides, accidental (unintentional), initial encounter | ✓ |
| T37.0X1A | Poisoning by sulfonamides, accidental (unintentional), initial encounter | ✓ |
| T37.0X1D | Poisoning by sulfonamides, accidental (unintentional), subsequent encounter | ✓ |
| T37.0X1D | Poisoning by sulfonamides, accidental (unintentional), subsequent encounter | ✓ |
| T37.0X1S | Poisoning by sulfonamides, accidental (unintentional), sequela | ✓ |
| T37.0X1S | Poisoning by sulfonamides, accidental (unintentional), sequela | ✓ |
| T37.0X2 | Poisoning by sulfonamides, intentional self-harm | — |
| T37.0X2 | Poisoning by sulfonamides, intentional self-harm | — |
| T37.0X2A | Poisoning by sulfonamides, intentional self-harm, initial encounter | ✓ |
| T37.0X2A | Poisoning by sulfonamides, intentional self-harm, initial encounter | ✓ |
| T37.0X2D | Poisoning by sulfonamides, intentional self-harm, subsequent encounter | ✓ |
| T37.0X2D | Poisoning by sulfonamides, intentional self-harm, subsequent encounter | ✓ |
| T37.0X2S | Poisoning by sulfonamides, intentional self-harm, sequela | ✓ |
| T37.0X2S | Poisoning by sulfonamides, intentional self-harm, sequela | ✓ |
| T37.0X3 | Poisoning by sulfonamides, assault | — |
| T37.0X3 | Poisoning by sulfonamides, assault | — |
| T37.0X3A | Poisoning by sulfonamides, assault, initial encounter | ✓ |
| T37.0X3A | Poisoning by sulfonamides, assault, initial encounter | ✓ |
| T37.0X3D | Poisoning by sulfonamides, assault, subsequent encounter | ✓ |
| T37.0X3D | Poisoning by sulfonamides, assault, subsequent encounter | ✓ |
| T37.0X3S | Poisoning by sulfonamides, assault, sequela | ✓ |
| T37.0X3S | Poisoning by sulfonamides, assault, sequela | ✓ |
| T37.0X4 | Poisoning by sulfonamides, undetermined | — |
| T37.0X4 | Poisoning by sulfonamides, undetermined | — |
| T37.0X4A | Poisoning by sulfonamides, undetermined, initial encounter | ✓ |
| T37.0X4A | Poisoning by sulfonamides, undetermined, initial encounter | ✓ |
| T37.0X4D | Poisoning by sulfonamides, undetermined, subsequent encounter | ✓ |
| T37.0X4D | Poisoning by sulfonamides, undetermined, subsequent encounter | ✓ |
| T37.0X4S | Poisoning by sulfonamides, undetermined, sequela | ✓ |
| T37.0X4S | Poisoning by sulfonamides, undetermined, sequela | ✓ |
| T37.0X5 | Adverse effect of sulfonamides | — |
| T37.0X5 | Adverse effect of sulfonamides | — |
| T37.0X5A | Adverse effect of sulfonamides, initial encounter | ✓ |
| T37.0X5A | Adverse effect of sulfonamides, initial encounter | ✓ |
| T37.0X5D | Adverse effect of sulfonamides, subsequent encounter | ✓ |
| T37.0X5D | Adverse effect of sulfonamides, subsequent encounter | ✓ |
| T37.0X5S | Adverse effect of sulfonamides, sequela | ✓ |
| T37.0X5S | Adverse effect of sulfonamides, sequela | ✓ |
| T37.0X6 | Underdosing of sulfonamides | — |
| T37.0X6 | Underdosing of sulfonamides | — |
| T37.0X6A | Underdosing of sulfonamides, initial encounter | ✓ |
| T37.0X6A | Underdosing of sulfonamides, initial encounter | ✓ |
| T37.0X6D | Underdosing of sulfonamides, subsequent encounter | ✓ |
| T37.0X6D | Underdosing of sulfonamides, subsequent encounter | ✓ |
| T37.0X6S | Underdosing of sulfonamides, sequela | ✓ |
| T37.0X6S | Underdosing of sulfonamides, sequela | ✓ |
| T37.1 | Poisoning by, adverse effect of and underdosing of antimycobacterial drugs | — |
| T37.1 | Poisoning by, adverse effect of and underdosing of antimycobacterial drugs | — |
| T37.1X | Poisoning by, adverse effect of and underdosing of antimycobacterial drugs | — |
| T37.1X | Poisoning by, adverse effect of and underdosing of antimycobacterial drugs | — |
| T37.1X1 | Poisoning by antimycobacterial drugs, accidental (unintentional) | — |
| T37.1X1 | Poisoning by antimycobacterial drugs, accidental (unintentional) | — |
| T37.1X1A | Poisoning by antimycobacterial drugs, accidental (unintentional), initial encounter | ✓ |
| T37.1X1A | Poisoning by antimycobacterial drugs, accidental (unintentional), initial encounter | ✓ |
| T37.1X1D | Poisoning by antimycobacterial drugs, accidental (unintentional), subsequent encounter | ✓ |
| T37.1X1D | Poisoning by antimycobacterial drugs, accidental (unintentional), subsequent encounter | ✓ |
| T37.1X1S | Poisoning by antimycobacterial drugs, accidental (unintentional), sequela | ✓ |
| T37.1X1S | Poisoning by antimycobacterial drugs, accidental (unintentional), sequela | ✓ |
| T37.1X2 | Poisoning by antimycobacterial drugs, intentional self-harm | — |
| T37.1X2 | Poisoning by antimycobacterial drugs, intentional self-harm | — |
| T37.1X2A | Poisoning by antimycobacterial drugs, intentional self-harm, initial encounter | ✓ |
| T37.1X2A | Poisoning by antimycobacterial drugs, intentional self-harm, initial encounter | ✓ |
| T37.1X2D | Poisoning by antimycobacterial drugs, intentional self-harm, subsequent encounter | ✓ |
| T37.1X2D | Poisoning by antimycobacterial drugs, intentional self-harm, subsequent encounter | ✓ |
| T37.1X2S | Poisoning by antimycobacterial drugs, intentional self-harm, sequela | ✓ |
| T37.1X2S | Poisoning by antimycobacterial drugs, intentional self-harm, sequela | ✓ |
| T37.1X3 | Poisoning by antimycobacterial drugs, assault | — |
| T37.1X3 | Poisoning by antimycobacterial drugs, assault | — |
| T37.1X3A | Poisoning by antimycobacterial drugs, assault, initial encounter | ✓ |
| T37.1X3A | Poisoning by antimycobacterial drugs, assault, initial encounter | ✓ |
| T37.1X3D | Poisoning by antimycobacterial drugs, assault, subsequent encounter | ✓ |
| T37.1X3D | Poisoning by antimycobacterial drugs, assault, subsequent encounter | ✓ |
| T37.1X3S | Poisoning by antimycobacterial drugs, assault, sequela | ✓ |
| T37.1X3S | Poisoning by antimycobacterial drugs, assault, sequela | ✓ |
| T37.1X4 | Poisoning by antimycobacterial drugs, undetermined | — |
| T37.1X4 | Poisoning by antimycobacterial drugs, undetermined | — |
| T37.1X4A | Poisoning by antimycobacterial drugs, undetermined, initial encounter | ✓ |
| T37.1X4A | Poisoning by antimycobacterial drugs, undetermined, initial encounter | ✓ |
| T37.1X4D | Poisoning by antimycobacterial drugs, undetermined, subsequent encounter | ✓ |
| T37.1X4D | Poisoning by antimycobacterial drugs, undetermined, subsequent encounter | ✓ |
| T37.1X4S | Poisoning by antimycobacterial drugs, undetermined, sequela | ✓ |
| T37.1X4S | Poisoning by antimycobacterial drugs, undetermined, sequela | ✓ |
| T37.1X5 | Adverse effect of antimycobacterial drugs | — |
| T37.1X5 | Adverse effect of antimycobacterial drugs | — |
| T37.1X5A | Adverse effect of antimycobacterial drugs, initial encounter | ✓ |
| T37.1X5A | Adverse effect of antimycobacterial drugs, initial encounter | ✓ |
| T37.1X5D | Adverse effect of antimycobacterial drugs, subsequent encounter | ✓ |
| T37.1X5D | Adverse effect of antimycobacterial drugs, subsequent encounter | ✓ |
| T37.1X5S | Adverse effect of antimycobacterial drugs, sequela | ✓ |
| T37.1X5S | Adverse effect of antimycobacterial drugs, sequela | ✓ |
| T37.1X6 | Underdosing of antimycobacterial drugs | — |
| T37.1X6 | Underdosing of antimycobacterial drugs | — |
| T37.1X6A | Underdosing of antimycobacterial drugs, initial encounter | ✓ |
| T37.1X6A | Underdosing of antimycobacterial drugs, initial encounter | ✓ |
| T37.1X6D | Underdosing of antimycobacterial drugs, subsequent encounter | ✓ |
| T37.1X6D | Underdosing of antimycobacterial drugs, subsequent encounter | ✓ |
| T37.1X6S | Underdosing of antimycobacterial drugs, sequela | ✓ |
| T37.1X6S | Underdosing of antimycobacterial drugs, sequela | ✓ |
| T37.2 | Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa | — |
| T37.2 | Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X | Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X | Poisoning by, adverse effect of and underdosing of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X1 | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional) | — |
| T37.2X1 | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional) | — |
| T37.2X1A | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), initial encounter | ✓ |
| T37.2X1A | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), initial encounter | ✓ |
| T37.2X1D | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), subsequent encounter | ✓ |
| T37.2X1D | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), subsequent encounter | ✓ |
| T37.2X1S | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequela | ✓ |
| T37.2X1S | Poisoning by antimalarials and drugs acting on other blood protozoa, accidental (unintentional), sequela | ✓ |
| T37.2X2 | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm | — |
| T37.2X2 | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm | — |
| T37.2X2A | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, initial encounter | ✓ |
| T37.2X2A | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, initial encounter | ✓ |
| T37.2X2D | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, subsequent encounter | ✓ |
| T37.2X2D | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, subsequent encounter | ✓ |
| T37.2X2S | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, sequela | ✓ |
| T37.2X2S | Poisoning by antimalarials and drugs acting on other blood protozoa, intentional self-harm, sequela | ✓ |
| T37.2X3 | Poisoning by antimalarials and drugs acting on other blood protozoa, assault | — |
| T37.2X3 | Poisoning by antimalarials and drugs acting on other blood protozoa, assault | — |
| T37.2X3A | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, initial encounter | ✓ |
| T37.2X3A | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, initial encounter | ✓ |
| T37.2X3D | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, subsequent encounter | ✓ |
| T37.2X3D | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, subsequent encounter | ✓ |
| T37.2X3S | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, sequela | ✓ |
| T37.2X3S | Poisoning by antimalarials and drugs acting on other blood protozoa, assault, sequela | ✓ |
| T37.2X4 | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined | — |
| T37.2X4 | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined | — |
| T37.2X4A | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounter | ✓ |
| T37.2X4A | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, initial encounter | ✓ |
| T37.2X4D | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, subsequent encounter | ✓ |
| T37.2X4D | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, subsequent encounter | ✓ |
| T37.2X4S | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, sequela | ✓ |
| T37.2X4S | Poisoning by antimalarials and drugs acting on other blood protozoa, undetermined, sequela | ✓ |
| T37.2X5 | Adverse effect of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X5 | Adverse effect of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X5A | Adverse effect of antimalarials and drugs acting on other blood protozoa, initial encounter | ✓ |
| T37.2X5A | Adverse effect of antimalarials and drugs acting on other blood protozoa, initial encounter | ✓ |
| T37.2X5D | Adverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounter | ✓ |
| T37.2X5D | Adverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounter | ✓ |
| T37.2X5S | Adverse effect of antimalarials and drugs acting on other blood protozoa, sequela | ✓ |
| T37.2X5S | Adverse effect of antimalarials and drugs acting on other blood protozoa, sequela | ✓ |
| T37.2X6 | Underdosing of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X6 | Underdosing of antimalarials and drugs acting on other blood protozoa | — |
| T37.2X6A | Underdosing of antimalarials and drugs acting on other blood protozoa, initial encounter | ✓ |
| T37.2X6A | Underdosing of antimalarials and drugs acting on other blood protozoa, initial encounter | ✓ |
| T37.2X6D | Underdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounter | ✓ |
| T37.2X6D | Underdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounter | ✓ |
| T37.2X6S | Underdosing of antimalarials and drugs acting on other blood protozoa, sequela | ✓ |
| T37.2X6S | Underdosing of antimalarials and drugs acting on other blood protozoa, sequela | ✓ |
| T37.3 | Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs | — |
| T37.3 | Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs | — |
| T37.3X | Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs | — |
| T37.3X | Poisoning by, adverse effect of and underdosing of other antiprotozoal drugs | — |
| T37.3X1 | Poisoning by other antiprotozoal drugs, accidental (unintentional) | — |
| T37.3X1 | Poisoning by other antiprotozoal drugs, accidental (unintentional) | — |
| T37.3X1A | Poisoning by other antiprotozoal drugs, accidental (unintentional), initial encounter | ✓ |
| T37.3X1A | Poisoning by other antiprotozoal drugs, accidental (unintentional), initial encounter | ✓ |
| T37.3X1D | Poisoning by other antiprotozoal drugs, accidental (unintentional), subsequent encounter | ✓ |
| T37.3X1D | Poisoning by other antiprotozoal drugs, accidental (unintentional), subsequent encounter | ✓ |
| T37.3X1S | Poisoning by other antiprotozoal drugs, accidental (unintentional), sequela | ✓ |
| T37.3X1S | Poisoning by other antiprotozoal drugs, accidental (unintentional), sequela | ✓ |
| T37.3X2 | Poisoning by other antiprotozoal drugs, intentional self-harm | — |
| T37.3X2 | Poisoning by other antiprotozoal drugs, intentional self-harm | — |
| T37.3X2A | Poisoning by other antiprotozoal drugs, intentional self-harm, initial encounter | ✓ |
| T37.3X2A | Poisoning by other antiprotozoal drugs, intentional self-harm, initial encounter | ✓ |
| T37.3X2D | Poisoning by other antiprotozoal drugs, intentional self-harm, subsequent encounter | ✓ |
| T37.3X2D | Poisoning by other antiprotozoal drugs, intentional self-harm, subsequent encounter | ✓ |
| T37.3X2S | Poisoning by other antiprotozoal drugs, intentional self-harm, sequela | ✓ |
| T37.3X2S | Poisoning by other antiprotozoal drugs, intentional self-harm, sequela | ✓ |
| T37.3X3 | Poisoning by other antiprotozoal drugs, assault | — |
| T37.3X3 | Poisoning by other antiprotozoal drugs, assault | — |
| T37.3X3A | Poisoning by other antiprotozoal drugs, assault, initial encounter | ✓ |
| T37.3X3A | Poisoning by other antiprotozoal drugs, assault, initial encounter | ✓ |
| T37.3X3D | Poisoning by other antiprotozoal drugs, assault, subsequent encounter | ✓ |
| T37.3X3D | Poisoning by other antiprotozoal drugs, assault, subsequent encounter | ✓ |
| T37.3X3S | Poisoning by other antiprotozoal drugs, assault, sequela | ✓ |
| T37.3X3S | Poisoning by other antiprotozoal drugs, assault, sequela | ✓ |
| T37.3X4 | Poisoning by other antiprotozoal drugs, undetermined | — |
| T37.3X4 | Poisoning by other antiprotozoal drugs, undetermined | — |
| T37.3X4A | Poisoning by other antiprotozoal drugs, undetermined, initial encounter | ✓ |
| T37.3X4A | Poisoning by other antiprotozoal drugs, undetermined, initial encounter | ✓ |
| T37.3X4D | Poisoning by other antiprotozoal drugs, undetermined, subsequent encounter | ✓ |
| T37.3X4D | Poisoning by other antiprotozoal drugs, undetermined, subsequent encounter | ✓ |
| T37.3X4S | Poisoning by other antiprotozoal drugs, undetermined, sequela | ✓ |
| T37.3X4S | Poisoning by other antiprotozoal drugs, undetermined, sequela | ✓ |
| T37.3X5 | Adverse effect of other antiprotozoal drugs | — |
| T37.3X5 | Adverse effect of other antiprotozoal drugs | — |
| T37.3X5A | Adverse effect of other antiprotozoal drugs, initial encounter | ✓ |
| T37.3X5A | Adverse effect of other antiprotozoal drugs, initial encounter | ✓ |
| T37.3X5D | Adverse effect of other antiprotozoal drugs, subsequent encounter | ✓ |
| T37.3X5D | Adverse effect of other antiprotozoal drugs, subsequent encounter | ✓ |
| T37.3X5S | Adverse effect of other antiprotozoal drugs, sequela | ✓ |
| T37.3X5S | Adverse effect of other antiprotozoal drugs, sequela | ✓ |
| T37.3X6 | Underdosing of other antiprotozoal drugs | — |
| T37.3X6 | Underdosing of other antiprotozoal drugs | — |
| T37.3X6A | Underdosing of other antiprotozoal drugs, initial encounter | ✓ |
| T37.3X6A | Underdosing of other antiprotozoal drugs, initial encounter | ✓ |
| T37.3X6D | Underdosing of other antiprotozoal drugs, subsequent encounter | ✓ |
| T37.3X6D | Underdosing of other antiprotozoal drugs, subsequent encounter | ✓ |
| T37.3X6S | Underdosing of other antiprotozoal drugs, sequela | ✓ |
| T37.3X6S | Underdosing of other antiprotozoal drugs, sequela | ✓ |
| T37.4 | Poisoning by, adverse effect of and underdosing of anthelminthics | — |
| T37.4 | Poisoning by, adverse effect of and underdosing of anthelminthics | — |
| T37.4X | Poisoning by, adverse effect of and underdosing of anthelminthics | — |
| T37.4X | Poisoning by, adverse effect of and underdosing of anthelminthics | — |
| T37.4X1 | Poisoning by anthelminthics, accidental (unintentional) | — |
| T37.4X1 | Poisoning by anthelminthics, accidental (unintentional) | — |
| T37.4X1A | Poisoning by anthelminthics, accidental (unintentional), initial encounter | ✓ |
| T37.4X1A | Poisoning by anthelminthics, accidental (unintentional), initial encounter | ✓ |
| T37.4X1D | Poisoning by anthelminthics, accidental (unintentional), subsequent encounter | ✓ |
| T37.4X1D | Poisoning by anthelminthics, accidental (unintentional), subsequent encounter | ✓ |
| T37.4X1S | Poisoning by anthelminthics, accidental (unintentional), sequela | ✓ |
| T37.4X1S | Poisoning by anthelminthics, accidental (unintentional), sequela | ✓ |
| T37.4X2 | Poisoning by anthelminthics, intentional self-harm | — |
| T37.4X2 | Poisoning by anthelminthics, intentional self-harm | — |
| T37.4X2A | Poisoning by anthelminthics, intentional self-harm, initial encounter | ✓ |
| T37.4X2A | Poisoning by anthelminthics, intentional self-harm, initial encounter | ✓ |
| T37.4X2D | Poisoning by anthelminthics, intentional self-harm, subsequent encounter | ✓ |
| T37.4X2D | Poisoning by anthelminthics, intentional self-harm, subsequent encounter | ✓ |
| T37.4X2S | Poisoning by anthelminthics, intentional self-harm, sequela | ✓ |
| T37.4X2S | Poisoning by anthelminthics, intentional self-harm, sequela | ✓ |
| T37.4X3 | Poisoning by anthelminthics, assault | — |
| T37.4X3 | Poisoning by anthelminthics, assault | — |
| T37.4X3A | Poisoning by anthelminthics, assault, initial encounter | ✓ |
| T37.4X3A | Poisoning by anthelminthics, assault, initial encounter | ✓ |
| T37.4X3D | Poisoning by anthelminthics, assault, subsequent encounter | ✓ |
| T37.4X3D | Poisoning by anthelminthics, assault, subsequent encounter | ✓ |
| T37.4X3S | Poisoning by anthelminthics, assault, sequela | ✓ |
| T37.4X3S | Poisoning by anthelminthics, assault, sequela | ✓ |
| T37.4X4 | Poisoning by anthelminthics, undetermined | — |
| T37.4X4 | Poisoning by anthelminthics, undetermined | — |
| T37.4X4A | Poisoning by anthelminthics, undetermined, initial encounter | ✓ |
| T37.4X4A | Poisoning by anthelminthics, undetermined, initial encounter | ✓ |
| T37.4X4D | Poisoning by anthelminthics, undetermined, subsequent encounter | ✓ |
| T37.4X4D | Poisoning by anthelminthics, undetermined, subsequent encounter | ✓ |
| T37.4X4S | Poisoning by anthelminthics, undetermined, sequela | ✓ |
| T37.4X4S | Poisoning by anthelminthics, undetermined, sequela | ✓ |
| T37.4X5 | Adverse effect of anthelminthics | — |
| T37.4X5 | Adverse effect of anthelminthics | — |
| T37.4X5A | Adverse effect of anthelminthics, initial encounter | ✓ |
| T37.4X5A | Adverse effect of anthelminthics, initial encounter | ✓ |
| T37.4X5D | Adverse effect of anthelminthics, subsequent encounter | ✓ |
| T37.4X5D | Adverse effect of anthelminthics, subsequent encounter | ✓ |
| T37.4X5S | Adverse effect of anthelminthics, sequela | ✓ |
| T37.4X5S | Adverse effect of anthelminthics, sequela | ✓ |
| T37.4X6 | Underdosing of anthelminthics | — |
| T37.4X6 | Underdosing of anthelminthics | — |
| T37.4X6A | Underdosing of anthelminthics, initial encounter | ✓ |
| T37.4X6A | Underdosing of anthelminthics, initial encounter | ✓ |
| T37.4X6D | Underdosing of anthelminthics, subsequent encounter | ✓ |
| T37.4X6D | Underdosing of anthelminthics, subsequent encounter | ✓ |
| T37.4X6S | Underdosing of anthelminthics, sequela | ✓ |
| T37.4X6S | Underdosing of anthelminthics, sequela | ✓ |
| T37.5 | Poisoning by, adverse effect of and underdosing of antiviral drugs | — |
| T37.5 | Poisoning by, adverse effect of and underdosing of antiviral drugs | — |
| T37.5X | Poisoning by, adverse effect of and underdosing of antiviral drugs | — |
| T37.5X | Poisoning by, adverse effect of and underdosing of antiviral drugs | — |
| T37.5X1 | Poisoning by antiviral drugs, accidental (unintentional) | — |
| T37.5X1 | Poisoning by antiviral drugs, accidental (unintentional) | — |
| T37.5X1A | Poisoning by antiviral drugs, accidental (unintentional), initial encounter | ✓ |
| T37.5X1A | Poisoning by antiviral drugs, accidental (unintentional), initial encounter | ✓ |
| T37.5X1D | Poisoning by antiviral drugs, accidental (unintentional), subsequent encounter | ✓ |
| T37.5X1D | Poisoning by antiviral drugs, accidental (unintentional), subsequent encounter | ✓ |
| T37.5X1S | Poisoning by antiviral drugs, accidental (unintentional), sequela | ✓ |
| T37.5X1S | Poisoning by antiviral drugs, accidental (unintentional), sequela | ✓ |
| T37.5X2 | Poisoning by antiviral drugs, intentional self-harm | — |
| T37.5X2 | Poisoning by antiviral drugs, intentional self-harm | — |
| T37.5X2A | Poisoning by antiviral drugs, intentional self-harm, initial encounter | ✓ |
| T37.5X2A | Poisoning by antiviral drugs, intentional self-harm, initial encounter | ✓ |
| T37.5X2D | Poisoning by antiviral drugs, intentional self-harm, subsequent encounter | ✓ |
| T37.5X2D | Poisoning by antiviral drugs, intentional self-harm, subsequent encounter | ✓ |
| T37.5X2S | Poisoning by antiviral drugs, intentional self-harm, sequela | ✓ |
| T37.5X2S | Poisoning by antiviral drugs, intentional self-harm, sequela | ✓ |
| T37.5X3 | Poisoning by antiviral drugs, assault | — |
| T37.5X3 | Poisoning by antiviral drugs, assault | — |
| T37.5X3A | Poisoning by antiviral drugs, assault, initial encounter | ✓ |
| T37.5X3A | Poisoning by antiviral drugs, assault, initial encounter | ✓ |
| T37.5X3D | Poisoning by antiviral drugs, assault, subsequent encounter | ✓ |
| T37.5X3D | Poisoning by antiviral drugs, assault, subsequent encounter | ✓ |
| T37.5X3S | Poisoning by antiviral drugs, assault, sequela | ✓ |
| T37.5X3S | Poisoning by antiviral drugs, assault, sequela | ✓ |
| T37.5X4 | Poisoning by antiviral drugs, undetermined | — |
| T37.5X4 | Poisoning by antiviral drugs, undetermined | — |
| T37.5X4A | Poisoning by antiviral drugs, undetermined, initial encounter | ✓ |
| T37.5X4A | Poisoning by antiviral drugs, undetermined, initial encounter | ✓ |
| T37.5X4D | Poisoning by antiviral drugs, undetermined, subsequent encounter | ✓ |
| T37.5X4D | Poisoning by antiviral drugs, undetermined, subsequent encounter | ✓ |
| T37.5X4S | Poisoning by antiviral drugs, undetermined, sequela | ✓ |
| T37.5X4S | Poisoning by antiviral drugs, undetermined, sequela | ✓ |
| T37.5X5 | Adverse effect of antiviral drugs | — |
| T37.5X5 | Adverse effect of antiviral drugs | — |
| T37.5X5A | Adverse effect of antiviral drugs, initial encounter | ✓ |
| T37.5X5A | Adverse effect of antiviral drugs, initial encounter | ✓ |
| T37.5X5D | Adverse effect of antiviral drugs, subsequent encounter | ✓ |
| T37.5X5D | Adverse effect of antiviral drugs, subsequent encounter | ✓ |
| T37.5X5S | Adverse effect of antiviral drugs, sequela | ✓ |
| T37.5X5S | Adverse effect of antiviral drugs, sequela | ✓ |
| T37.5X6 | Underdosing of antiviral drugs | — |
| T37.5X6 | Underdosing of antiviral drugs | — |
| T37.5X6A | Underdosing of antiviral drugs, initial encounter | ✓ |
| T37.5X6A | Underdosing of antiviral drugs, initial encounter | ✓ |
| T37.5X6D | Underdosing of antiviral drugs, subsequent encounter | ✓ |
| T37.5X6D | Underdosing of antiviral drugs, subsequent encounter | ✓ |
| T37.5X6S | Underdosing of antiviral drugs, sequela | ✓ |
| T37.5X6S | Underdosing of antiviral drugs, sequela | ✓ |
| T37.8 | Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics | — |
| T37.8 | Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X | Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X | Poisoning by, adverse effect of and underdosing of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X1 | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional) | — |
| T37.8X1 | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional) | — |
| T37.8X1A | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), initial encounter | ✓ |
| T37.8X1A | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), initial encounter | ✓ |
| T37.8X1D | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), subsequent encounter | ✓ |
| T37.8X1D | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), subsequent encounter | ✓ |
| T37.8X1S | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), sequela | ✓ |
| T37.8X1S | Poisoning by other specified systemic anti-infectives and antiparasitics, accidental (unintentional), sequela | ✓ |
| T37.8X2 | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm | — |
| T37.8X2 | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm | — |
| T37.8X2A | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, initial encounter | ✓ |
| T37.8X2A | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, initial encounter | ✓ |
| T37.8X2D | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, subsequent encounter | ✓ |
| T37.8X2D | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, subsequent encounter | ✓ |
| T37.8X2S | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, sequela | ✓ |
| T37.8X2S | Poisoning by other specified systemic anti-infectives and antiparasitics, intentional self-harm, sequela | ✓ |
| T37.8X3 | Poisoning by other specified systemic anti-infectives and antiparasitics, assault | — |
| T37.8X3 | Poisoning by other specified systemic anti-infectives and antiparasitics, assault | — |
| T37.8X3A | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, initial encounter | ✓ |
| T37.8X3A | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, initial encounter | ✓ |
| T37.8X3D | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, subsequent encounter | ✓ |
| T37.8X3D | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, subsequent encounter | ✓ |
| T37.8X3S | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, sequela | ✓ |
| T37.8X3S | Poisoning by other specified systemic anti-infectives and antiparasitics, assault, sequela | ✓ |
| T37.8X4 | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined | — |
| T37.8X4 | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined | — |
| T37.8X4A | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, initial encounter | ✓ |
| T37.8X4A | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, initial encounter | ✓ |
| T37.8X4D | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, subsequent encounter | ✓ |
| T37.8X4D | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, subsequent encounter | ✓ |
| T37.8X4S | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, sequela | ✓ |
| T37.8X4S | Poisoning by other specified systemic anti-infectives and antiparasitics, undetermined, sequela | ✓ |
| T37.8X5 | Adverse effect of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X5 | Adverse effect of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X5A | Adverse effect of other specified systemic anti-infectives and antiparasitics, initial encounter | ✓ |
| T37.8X5A | Adverse effect of other specified systemic anti-infectives and antiparasitics, initial encounter | ✓ |
| T37.8X5D | Adverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounter | ✓ |
| T37.8X5D | Adverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounter | ✓ |
| T37.8X5S | Adverse effect of other specified systemic anti-infectives and antiparasitics, sequela | ✓ |
| T37.8X5S | Adverse effect of other specified systemic anti-infectives and antiparasitics, sequela | ✓ |
| T37.8X6 | Underdosing of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X6 | Underdosing of other specified systemic anti-infectives and antiparasitics | — |
| T37.8X6A | Underdosing of other specified systemic anti-infectives and antiparasitics, initial encounter | ✓ |
| T37.8X6A | Underdosing of other specified systemic anti-infectives and antiparasitics, initial encounter | ✓ |
| T37.8X6D | Underdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounter | ✓ |
| T37.8X6D | Underdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounter | ✓ |
| T37.8X6S | Underdosing of other specified systemic anti-infectives and antiparasitics, sequela | ✓ |
| T37.8X6S | Underdosing of other specified systemic anti-infectives and antiparasitics, sequela | ✓ |
| T37.9 | Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics | — |
| T37.9 | Poisoning by, adverse effect of and underdosing of unspecified systemic anti-infective and antiparasitics | — |
| T37.91 | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional) | — |
| T37.91 | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional) | — |
| T37.91XA | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), initial encounter | ✓ |
| T37.91XA | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), initial encounter | ✓ |
| T37.91XD | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), subsequent encounter | ✓ |
| T37.91XD | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), subsequent encounter | ✓ |
| T37.91XS | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), sequela | ✓ |
| T37.91XS | Poisoning by unspecified systemic anti-infective and antiparasitics, accidental (unintentional), sequela | ✓ |
| T37.92 | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm | — |
| T37.92 | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm | — |
| T37.92XA | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, initial encounter | ✓ |
| T37.92XA | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, initial encounter | ✓ |
| T37.92XD | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, subsequent encounter | ✓ |
| T37.92XD | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, subsequent encounter | ✓ |
| T37.92XS | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, sequela | ✓ |
| T37.92XS | Poisoning by unspecified systemic anti-infective and antiparasitics, intentional self-harm, sequela | ✓ |
| T37.93 | Poisoning by unspecified systemic anti-infective and antiparasitics, assault | — |
| T37.93 | Poisoning by unspecified systemic anti-infective and antiparasitics, assault | — |
| T37.93XA | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, initial encounter | ✓ |
| T37.93XA | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, initial encounter | ✓ |
| T37.93XD | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, subsequent encounter | ✓ |
| T37.93XD | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, subsequent encounter | ✓ |
| T37.93XS | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, sequela | ✓ |
| T37.93XS | Poisoning by unspecified systemic anti-infective and antiparasitics, assault, sequela | ✓ |
| T37.94 | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined | — |
| T37.94 | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined | — |
| T37.94XA | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, initial encounter | ✓ |
| T37.94XA | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, initial encounter | ✓ |
| T37.94XD | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, subsequent encounter | ✓ |
| T37.94XD | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, subsequent encounter | ✓ |
| T37.94XS | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequela | ✓ |
| T37.94XS | Poisoning by unspecified systemic anti-infective and antiparasitics, undetermined, sequela | ✓ |
| T37.95 | Adverse effect of unspecified systemic anti-infective and antiparasitic | — |
| T37.95 | Adverse effect of unspecified systemic anti-infective and antiparasitic | — |
| T37.95XA | Adverse effect of unspecified systemic anti-infective and antiparasitic, initial encounter | ✓ |
| T37.95XA | Adverse effect of unspecified systemic anti-infective and antiparasitic, initial encounter | ✓ |
| T37.95XD | Adverse effect of unspecified systemic anti-infective and antiparasitic, subsequent encounter | ✓ |
| T37.95XD | Adverse effect of unspecified systemic anti-infective and antiparasitic, subsequent encounter | ✓ |
| T37.95XS | Adverse effect of unspecified systemic anti-infective and antiparasitic, sequela | ✓ |
| T37.95XS | Adverse effect of unspecified systemic anti-infective and antiparasitic, sequela | ✓ |
| T37.96 | Underdosing of unspecified systemic anti-infectives and antiparasitics | — |
| T37.96 | Underdosing of unspecified systemic anti-infectives and antiparasitics | — |
| T37.96XA | Underdosing of unspecified systemic anti-infectives and antiparasitics, initial encounter | ✓ |
| T37.96XA | Underdosing of unspecified systemic anti-infectives and antiparasitics, initial encounter | ✓ |
| T37.96XD | Underdosing of unspecified systemic anti-infectives and antiparasitics, subsequent encounter | ✓ |
| T37.96XD | Underdosing of unspecified systemic anti-infectives and antiparasitics, subsequent encounter | ✓ |
| T37.96XS | Underdosing of unspecified systemic anti-infectives and antiparasitics, sequela | ✓ |
| T37.96XS | Underdosing of unspecified systemic anti-infectives and antiparasitics, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T37?
T37 is an ICD-10-CM category covering Poisoning by, adverse effect of and underdosing of other systemic anti-infectives and antiparasitics. It contains 414 more specific diagnosis codes, 288 of which are billable.
Is T37 a billable code?
No — T37 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example T37.0 — Poisoning by, adverse effect of and underdosing of sulfonamides). 288 of the 414 codes under T37 are billable.
What codes fall under T37?
T37 includes T37.0, T37.0, T37.0X, T37.0X, T37.0X1, plus 409 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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