ICD-10-CM category
T54: Toxic effect of corrosive substances
Codes under T54 (Toxic effect of corrosive substances). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| T54.0 | Toxic effects of phenol and phenol homologues | — |
| T54.0 | Toxic effects of phenol and phenol homologues | — |
| T54.0X | Toxic effects of phenol and phenol homologues | — |
| T54.0X | Toxic effects of phenol and phenol homologues | — |
| T54.0X1 | Toxic effect of phenol and phenol homologues, accidental (unintentional) | — |
| T54.0X1 | Toxic effect of phenol and phenol homologues, accidental (unintentional) | — |
| T54.0X1A | Toxic effect of phenol and phenol homologues, accidental (unintentional), initial encounter | ✓ |
| T54.0X1A | Toxic effect of phenol and phenol homologues, accidental (unintentional), initial encounter | ✓ |
| T54.0X1D | Toxic effect of phenol and phenol homologues, accidental (unintentional), subsequent encounter | ✓ |
| T54.0X1D | Toxic effect of phenol and phenol homologues, accidental (unintentional), subsequent encounter | ✓ |
| T54.0X1S | Toxic effect of phenol and phenol homologues, accidental (unintentional), sequela | ✓ |
| T54.0X1S | Toxic effect of phenol and phenol homologues, accidental (unintentional), sequela | ✓ |
| T54.0X2 | Toxic effect of phenol and phenol homologues, intentional self-harm | — |
| T54.0X2 | Toxic effect of phenol and phenol homologues, intentional self-harm | — |
| T54.0X2A | Toxic effect of phenol and phenol homologues, intentional self-harm, initial encounter | ✓ |
| T54.0X2A | Toxic effect of phenol and phenol homologues, intentional self-harm, initial encounter | ✓ |
| T54.0X2D | Toxic effect of phenol and phenol homologues, intentional self-harm, subsequent encounter | ✓ |
| T54.0X2D | Toxic effect of phenol and phenol homologues, intentional self-harm, subsequent encounter | ✓ |
| T54.0X2S | Toxic effect of phenol and phenol homologues, intentional self-harm, sequela | ✓ |
| T54.0X2S | Toxic effect of phenol and phenol homologues, intentional self-harm, sequela | ✓ |
| T54.0X3 | Toxic effect of phenol and phenol homologues, assault | — |
| T54.0X3 | Toxic effect of phenol and phenol homologues, assault | — |
| T54.0X3A | Toxic effect of phenol and phenol homologues, assault, initial encounter | ✓ |
| T54.0X3A | Toxic effect of phenol and phenol homologues, assault, initial encounter | ✓ |
| T54.0X3D | Toxic effect of phenol and phenol homologues, assault, subsequent encounter | ✓ |
| T54.0X3D | Toxic effect of phenol and phenol homologues, assault, subsequent encounter | ✓ |
| T54.0X3S | Toxic effect of phenol and phenol homologues, assault, sequela | ✓ |
| T54.0X3S | Toxic effect of phenol and phenol homologues, assault, sequela | ✓ |
| T54.0X4 | Toxic effect of phenol and phenol homologues, undetermined | — |
| T54.0X4 | Toxic effect of phenol and phenol homologues, undetermined | — |
| T54.0X4A | Toxic effect of phenol and phenol homologues, undetermined, initial encounter | ✓ |
| T54.0X4A | Toxic effect of phenol and phenol homologues, undetermined, initial encounter | ✓ |
| T54.0X4D | Toxic effect of phenol and phenol homologues, undetermined, subsequent encounter | ✓ |
| T54.0X4D | Toxic effect of phenol and phenol homologues, undetermined, subsequent encounter | ✓ |
| T54.0X4S | Toxic effect of phenol and phenol homologues, undetermined, sequela | ✓ |
| T54.0X4S | Toxic effect of phenol and phenol homologues, undetermined, sequela | ✓ |
| T54.1 | Toxic effects of other corrosive organic compounds | — |
| T54.1 | Toxic effects of other corrosive organic compounds | — |
| T54.1X | Toxic effects of other corrosive organic compounds | — |
| T54.1X | Toxic effects of other corrosive organic compounds | — |
| T54.1X1 | Toxic effect of other corrosive organic compounds, accidental (unintentional) | — |
| T54.1X1 | Toxic effect of other corrosive organic compounds, accidental (unintentional) | — |
| T54.1X1A | Toxic effect of other corrosive organic compounds, accidental (unintentional), initial encounter | ✓ |
| T54.1X1A | Toxic effect of other corrosive organic compounds, accidental (unintentional), initial encounter | ✓ |
| T54.1X1D | Toxic effect of other corrosive organic compounds, accidental (unintentional), subsequent encounter | ✓ |
| T54.1X1D | Toxic effect of other corrosive organic compounds, accidental (unintentional), subsequent encounter | ✓ |
| T54.1X1S | Toxic effect of other corrosive organic compounds, accidental (unintentional), sequela | ✓ |
| T54.1X1S | Toxic effect of other corrosive organic compounds, accidental (unintentional), sequela | ✓ |
| T54.1X2 | Toxic effect of other corrosive organic compounds, intentional self-harm | — |
| T54.1X2 | Toxic effect of other corrosive organic compounds, intentional self-harm | — |
| T54.1X2A | Toxic effect of other corrosive organic compounds, intentional self-harm, initial encounter | ✓ |
| T54.1X2A | Toxic effect of other corrosive organic compounds, intentional self-harm, initial encounter | ✓ |
| T54.1X2D | Toxic effect of other corrosive organic compounds, intentional self-harm, subsequent encounter | ✓ |
| T54.1X2D | Toxic effect of other corrosive organic compounds, intentional self-harm, subsequent encounter | ✓ |
| T54.1X2S | Toxic effect of other corrosive organic compounds, intentional self-harm, sequela | ✓ |
| T54.1X2S | Toxic effect of other corrosive organic compounds, intentional self-harm, sequela | ✓ |
| T54.1X3 | Toxic effect of other corrosive organic compounds, assault | — |
| T54.1X3 | Toxic effect of other corrosive organic compounds, assault | — |
| T54.1X3A | Toxic effect of other corrosive organic compounds, assault, initial encounter | ✓ |
| T54.1X3A | Toxic effect of other corrosive organic compounds, assault, initial encounter | ✓ |
| T54.1X3D | Toxic effect of other corrosive organic compounds, assault, subsequent encounter | ✓ |
| T54.1X3D | Toxic effect of other corrosive organic compounds, assault, subsequent encounter | ✓ |
| T54.1X3S | Toxic effect of other corrosive organic compounds, assault, sequela | ✓ |
| T54.1X3S | Toxic effect of other corrosive organic compounds, assault, sequela | ✓ |
| T54.1X4 | Toxic effect of other corrosive organic compounds, undetermined | — |
| T54.1X4 | Toxic effect of other corrosive organic compounds, undetermined | — |
| T54.1X4A | Toxic effect of other corrosive organic compounds, undetermined, initial encounter | ✓ |
| T54.1X4A | Toxic effect of other corrosive organic compounds, undetermined, initial encounter | ✓ |
| T54.1X4D | Toxic effect of other corrosive organic compounds, undetermined, subsequent encounter | ✓ |
| T54.1X4D | Toxic effect of other corrosive organic compounds, undetermined, subsequent encounter | ✓ |
| T54.1X4S | Toxic effect of other corrosive organic compounds, undetermined, sequela | ✓ |
| T54.1X4S | Toxic effect of other corrosive organic compounds, undetermined, sequela | ✓ |
| T54.2 | Toxic effects of corrosive acids and acid-like substances | — |
| T54.2 | Toxic effects of corrosive acids and acid-like substances | — |
| T54.2X | Toxic effects of corrosive acids and acid-like substances | — |
| T54.2X | Toxic effects of corrosive acids and acid-like substances | — |
| T54.2X1 | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional) | — |
| T54.2X1 | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional) | — |
| T54.2X1A | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), initial encounter | ✓ |
| T54.2X1A | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), initial encounter | ✓ |
| T54.2X1D | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), subsequent encounter | ✓ |
| T54.2X1D | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), subsequent encounter | ✓ |
| T54.2X1S | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), sequela | ✓ |
| T54.2X1S | Toxic effect of corrosive acids and acid-like substances, accidental (unintentional), sequela | ✓ |
| T54.2X2 | Toxic effect of corrosive acids and acid-like substances, intentional self-harm | — |
| T54.2X2 | Toxic effect of corrosive acids and acid-like substances, intentional self-harm | — |
| T54.2X2A | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, initial encounter | ✓ |
| T54.2X2A | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, initial encounter | ✓ |
| T54.2X2D | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, subsequent encounter | ✓ |
| T54.2X2D | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, subsequent encounter | ✓ |
| T54.2X2S | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, sequela | ✓ |
| T54.2X2S | Toxic effect of corrosive acids and acid-like substances, intentional self-harm, sequela | ✓ |
| T54.2X3 | Toxic effect of corrosive acids and acid-like substances, assault | — |
| T54.2X3 | Toxic effect of corrosive acids and acid-like substances, assault | — |
| T54.2X3A | Toxic effect of corrosive acids and acid-like substances, assault, initial encounter | ✓ |
| T54.2X3A | Toxic effect of corrosive acids and acid-like substances, assault, initial encounter | ✓ |
| T54.2X3D | Toxic effect of corrosive acids and acid-like substances, assault, subsequent encounter | ✓ |
| T54.2X3D | Toxic effect of corrosive acids and acid-like substances, assault, subsequent encounter | ✓ |
| T54.2X3S | Toxic effect of corrosive acids and acid-like substances, assault, sequela | ✓ |
| T54.2X3S | Toxic effect of corrosive acids and acid-like substances, assault, sequela | ✓ |
| T54.2X4 | Toxic effect of corrosive acids and acid-like substances, undetermined | — |
| T54.2X4 | Toxic effect of corrosive acids and acid-like substances, undetermined | — |
| T54.2X4A | Toxic effect of corrosive acids and acid-like substances, undetermined, initial encounter | ✓ |
| T54.2X4A | Toxic effect of corrosive acids and acid-like substances, undetermined, initial encounter | ✓ |
| T54.2X4D | Toxic effect of corrosive acids and acid-like substances, undetermined, subsequent encounter | ✓ |
| T54.2X4D | Toxic effect of corrosive acids and acid-like substances, undetermined, subsequent encounter | ✓ |
| T54.2X4S | Toxic effect of corrosive acids and acid-like substances, undetermined, sequela | ✓ |
| T54.2X4S | Toxic effect of corrosive acids and acid-like substances, undetermined, sequela | ✓ |
| T54.3 | Toxic effects of corrosive alkalis and alkali-like substances | — |
| T54.3 | Toxic effects of corrosive alkalis and alkali-like substances | — |
| T54.3X | Toxic effects of corrosive alkalis and alkali-like substances | — |
| T54.3X | Toxic effects of corrosive alkalis and alkali-like substances | — |
| T54.3X1 | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional) | — |
| T54.3X1 | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional) | — |
| T54.3X1A | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), initial encounter | ✓ |
| T54.3X1A | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), initial encounter | ✓ |
| T54.3X1D | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), subsequent encounter | ✓ |
| T54.3X1D | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), subsequent encounter | ✓ |
| T54.3X1S | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), sequela | ✓ |
| T54.3X1S | Toxic effect of corrosive alkalis and alkali-like substances, accidental (unintentional), sequela | ✓ |
| T54.3X2 | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm | — |
| T54.3X2 | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm | — |
| T54.3X2A | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, initial encounter | ✓ |
| T54.3X2A | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, initial encounter | ✓ |
| T54.3X2D | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, subsequent encounter | ✓ |
| T54.3X2D | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, subsequent encounter | ✓ |
| T54.3X2S | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, sequela | ✓ |
| T54.3X2S | Toxic effect of corrosive alkalis and alkali-like substances, intentional self-harm, sequela | ✓ |
| T54.3X3 | Toxic effect of corrosive alkalis and alkali-like substances, assault | — |
| T54.3X3 | Toxic effect of corrosive alkalis and alkali-like substances, assault | — |
| T54.3X3A | Toxic effect of corrosive alkalis and alkali-like substances, assault, initial encounter | ✓ |
| T54.3X3A | Toxic effect of corrosive alkalis and alkali-like substances, assault, initial encounter | ✓ |
| T54.3X3D | Toxic effect of corrosive alkalis and alkali-like substances, assault, subsequent encounter | ✓ |
| T54.3X3D | Toxic effect of corrosive alkalis and alkali-like substances, assault, subsequent encounter | ✓ |
| T54.3X3S | Toxic effect of corrosive alkalis and alkali-like substances, assault, sequela | ✓ |
| T54.3X3S | Toxic effect of corrosive alkalis and alkali-like substances, assault, sequela | ✓ |
| T54.3X4 | Toxic effect of corrosive alkalis and alkali-like substances, undetermined | — |
| T54.3X4 | Toxic effect of corrosive alkalis and alkali-like substances, undetermined | — |
| T54.3X4A | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, initial encounter | ✓ |
| T54.3X4A | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, initial encounter | ✓ |
| T54.3X4D | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent encounter | ✓ |
| T54.3X4D | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, subsequent encounter | ✓ |
| T54.3X4S | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, sequela | ✓ |
| T54.3X4S | Toxic effect of corrosive alkalis and alkali-like substances, undetermined, sequela | ✓ |
| T54.9 | Toxic effects of unspecified corrosive substance | — |
| T54.9 | Toxic effects of unspecified corrosive substance | — |
| T54.91 | Toxic effect of unspecified corrosive substance, accidental (unintentional) | — |
| T54.91 | Toxic effect of unspecified corrosive substance, accidental (unintentional) | — |
| T54.91XA | Toxic effect of unspecified corrosive substance, accidental (unintentional), initial encounter | ✓ |
| T54.91XA | Toxic effect of unspecified corrosive substance, accidental (unintentional), initial encounter | ✓ |
| T54.91XD | Toxic effect of unspecified corrosive substance, accidental (unintentional), subsequent encounter | ✓ |
| T54.91XD | Toxic effect of unspecified corrosive substance, accidental (unintentional), subsequent encounter | ✓ |
| T54.91XS | Toxic effect of unspecified corrosive substance, accidental (unintentional), sequela | ✓ |
| T54.91XS | Toxic effect of unspecified corrosive substance, accidental (unintentional), sequela | ✓ |
| T54.92 | Toxic effect of unspecified corrosive substance, intentional self-harm | — |
| T54.92 | Toxic effect of unspecified corrosive substance, intentional self-harm | — |
| T54.92XA | Toxic effect of unspecified corrosive substance, intentional self-harm, initial encounter | ✓ |
| T54.92XA | Toxic effect of unspecified corrosive substance, intentional self-harm, initial encounter | ✓ |
| T54.92XD | Toxic effect of unspecified corrosive substance, intentional self-harm, subsequent encounter | ✓ |
| T54.92XD | Toxic effect of unspecified corrosive substance, intentional self-harm, subsequent encounter | ✓ |
| T54.92XS | Toxic effect of unspecified corrosive substance, intentional self-harm, sequela | ✓ |
| T54.92XS | Toxic effect of unspecified corrosive substance, intentional self-harm, sequela | ✓ |
| T54.93 | Toxic effect of unspecified corrosive substance, assault | — |
| T54.93 | Toxic effect of unspecified corrosive substance, assault | — |
| T54.93XA | Toxic effect of unspecified corrosive substance, assault, initial encounter | ✓ |
| T54.93XA | Toxic effect of unspecified corrosive substance, assault, initial encounter | ✓ |
| T54.93XD | Toxic effect of unspecified corrosive substance, assault, subsequent encounter | ✓ |
| T54.93XD | Toxic effect of unspecified corrosive substance, assault, subsequent encounter | ✓ |
| T54.93XS | Toxic effect of unspecified corrosive substance, assault, sequela | ✓ |
| T54.93XS | Toxic effect of unspecified corrosive substance, assault, sequela | ✓ |
| T54.94 | Toxic effect of unspecified corrosive substance, undetermined | — |
| T54.94 | Toxic effect of unspecified corrosive substance, undetermined | — |
| T54.94XA | Toxic effect of unspecified corrosive substance, undetermined, initial encounter | ✓ |
| T54.94XA | Toxic effect of unspecified corrosive substance, undetermined, initial encounter | ✓ |
| T54.94XD | Toxic effect of unspecified corrosive substance, undetermined, subsequent encounter | ✓ |
| T54.94XD | Toxic effect of unspecified corrosive substance, undetermined, subsequent encounter | ✓ |
| T54.94XS | Toxic effect of unspecified corrosive substance, undetermined, sequela | ✓ |
| T54.94XS | Toxic effect of unspecified corrosive substance, undetermined, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T54?
T54 is an ICD-10-CM category covering Toxic effect of corrosive substances. It contains 178 more specific diagnosis codes, 120 of which are billable.
Is T54 a billable code?
No — T54 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 T54.0 — Toxic effects of phenol and phenol homologues). 120 of the 178 codes under T54 are billable.
What codes fall under T54?
T54 includes T54.0, T54.0, T54.0X, T54.0X, T54.0X1, plus 173 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
Code the diagnosis right
Join providers across the country delivering modern virtual care with CareNiva. Free to start, ready in minutes.
100% Satisfaction Guaranteed — try it risk-free