ICD-10-CM category
T61: Toxic effect of noxious substances eaten as seafood
Codes under T61 (Toxic effect of noxious substances eaten as seafood). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| T61.0 | Ciguatera fish poisoning | — |
| T61.0 | Ciguatera fish poisoning | — |
| T61.01 | Ciguatera fish poisoning, accidental (unintentional) | — |
| T61.01 | Ciguatera fish poisoning, accidental (unintentional) | — |
| T61.1 | Scombroid fish poisoning | — |
| T61.1 | Scombroid fish poisoning | — |
| T61.01XA | Ciguatera fish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.01XA | Ciguatera fish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.01XD | Ciguatera fish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.01XD | Ciguatera fish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.01XS | Ciguatera fish poisoning, accidental (unintentional), sequela | ✓ |
| T61.01XS | Ciguatera fish poisoning, accidental (unintentional), sequela | ✓ |
| T61.02 | Ciguatera fish poisoning, intentional self-harm | — |
| T61.02 | Ciguatera fish poisoning, intentional self-harm | — |
| T61.02XA | Ciguatera fish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.02XA | Ciguatera fish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.02XD | Ciguatera fish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.02XD | Ciguatera fish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.02XS | Ciguatera fish poisoning, intentional self-harm, sequela | ✓ |
| T61.02XS | Ciguatera fish poisoning, intentional self-harm, sequela | ✓ |
| T61.03 | Ciguatera fish poisoning, assault | — |
| T61.03 | Ciguatera fish poisoning, assault | — |
| T61.03XA | Ciguatera fish poisoning, assault, initial encounter | ✓ |
| T61.03XA | Ciguatera fish poisoning, assault, initial encounter | ✓ |
| T61.03XD | Ciguatera fish poisoning, assault, subsequent encounter | ✓ |
| T61.03XD | Ciguatera fish poisoning, assault, subsequent encounter | ✓ |
| T61.03XS | Ciguatera fish poisoning, assault, sequela | ✓ |
| T61.03XS | Ciguatera fish poisoning, assault, sequela | ✓ |
| T61.04 | Ciguatera fish poisoning, undetermined | — |
| T61.04 | Ciguatera fish poisoning, undetermined | — |
| T61.04XA | Ciguatera fish poisoning, undetermined, initial encounter | ✓ |
| T61.04XA | Ciguatera fish poisoning, undetermined, initial encounter | ✓ |
| T61.04XD | Ciguatera fish poisoning, undetermined, subsequent encounter | ✓ |
| T61.04XD | Ciguatera fish poisoning, undetermined, subsequent encounter | ✓ |
| T61.04XS | Ciguatera fish poisoning, undetermined, sequela | ✓ |
| T61.04XS | Ciguatera fish poisoning, undetermined, sequela | ✓ |
| T61.7 | Other fish and shellfish poisoning | — |
| T61.7 | Other fish and shellfish poisoning | — |
| T61.8 | Toxic effect of other seafood | — |
| T61.8 | Toxic effect of other seafood | — |
| T61.8X | Toxic effect of other seafood | — |
| T61.8X | Toxic effect of other seafood | — |
| T61.8X1 | Toxic effect of other seafood, accidental (unintentional) | — |
| T61.8X1 | Toxic effect of other seafood, accidental (unintentional) | — |
| T61.8X1A | Toxic effect of other seafood, accidental (unintentional), initial encounter | ✓ |
| T61.8X1A | Toxic effect of other seafood, accidental (unintentional), initial encounter | ✓ |
| T61.8X1D | Toxic effect of other seafood, accidental (unintentional), subsequent encounter | ✓ |
| T61.8X1D | Toxic effect of other seafood, accidental (unintentional), subsequent encounter | ✓ |
| T61.8X1S | Toxic effect of other seafood, accidental (unintentional), sequela | ✓ |
| T61.8X1S | Toxic effect of other seafood, accidental (unintentional), sequela | ✓ |
| T61.8X2 | Toxic effect of other seafood, intentional self-harm | — |
| T61.8X2 | Toxic effect of other seafood, intentional self-harm | — |
| T61.8X2A | Toxic effect of other seafood, intentional self-harm, initial encounter | ✓ |
| T61.8X2A | Toxic effect of other seafood, intentional self-harm, initial encounter | ✓ |
| T61.8X2D | Toxic effect of other seafood, intentional self-harm, subsequent encounter | ✓ |
| T61.8X2D | Toxic effect of other seafood, intentional self-harm, subsequent encounter | ✓ |
| T61.8X2S | Toxic effect of other seafood, intentional self-harm, sequela | ✓ |
| T61.8X2S | Toxic effect of other seafood, intentional self-harm, sequela | ✓ |
| T61.8X3 | Toxic effect of other seafood, assault | — |
| T61.8X3 | Toxic effect of other seafood, assault | — |
| T61.8X3A | Toxic effect of other seafood, assault, initial encounter | ✓ |
| T61.8X3A | Toxic effect of other seafood, assault, initial encounter | ✓ |
| T61.8X3D | Toxic effect of other seafood, assault, subsequent encounter | ✓ |
| T61.8X3D | Toxic effect of other seafood, assault, subsequent encounter | ✓ |
| T61.8X3S | Toxic effect of other seafood, assault, sequela | ✓ |
| T61.8X3S | Toxic effect of other seafood, assault, sequela | ✓ |
| T61.8X4 | Toxic effect of other seafood, undetermined | — |
| T61.8X4 | Toxic effect of other seafood, undetermined | — |
| T61.8X4A | Toxic effect of other seafood, undetermined, initial encounter | ✓ |
| T61.8X4A | Toxic effect of other seafood, undetermined, initial encounter | ✓ |
| T61.8X4D | Toxic effect of other seafood, undetermined, subsequent encounter | ✓ |
| T61.8X4D | Toxic effect of other seafood, undetermined, subsequent encounter | ✓ |
| T61.8X4S | Toxic effect of other seafood, undetermined, sequela | ✓ |
| T61.8X4S | Toxic effect of other seafood, undetermined, sequela | ✓ |
| T61.9 | Toxic effect of unspecified seafood | — |
| T61.9 | Toxic effect of unspecified seafood | — |
| T61.11 | Scombroid fish poisoning, accidental (unintentional) | — |
| T61.11 | Scombroid fish poisoning, accidental (unintentional) | — |
| T61.11XA | Scombroid fish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.11XA | Scombroid fish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.11XD | Scombroid fish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.11XD | Scombroid fish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.11XS | Scombroid fish poisoning, accidental (unintentional), sequela | ✓ |
| T61.11XS | Scombroid fish poisoning, accidental (unintentional), sequela | ✓ |
| T61.12 | Scombroid fish poisoning, intentional self-harm | — |
| T61.12 | Scombroid fish poisoning, intentional self-harm | — |
| T61.12XA | Scombroid fish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.12XA | Scombroid fish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.12XD | Scombroid fish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.12XD | Scombroid fish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.12XS | Scombroid fish poisoning, intentional self-harm, sequela | ✓ |
| T61.12XS | Scombroid fish poisoning, intentional self-harm, sequela | ✓ |
| T61.13 | Scombroid fish poisoning, assault | — |
| T61.13 | Scombroid fish poisoning, assault | — |
| T61.13XA | Scombroid fish poisoning, assault, initial encounter | ✓ |
| T61.13XA | Scombroid fish poisoning, assault, initial encounter | ✓ |
| T61.13XD | Scombroid fish poisoning, assault, subsequent encounter | ✓ |
| T61.13XD | Scombroid fish poisoning, assault, subsequent encounter | ✓ |
| T61.13XS | Scombroid fish poisoning, assault, sequela | ✓ |
| T61.13XS | Scombroid fish poisoning, assault, sequela | ✓ |
| T61.14 | Scombroid fish poisoning, undetermined | — |
| T61.14 | Scombroid fish poisoning, undetermined | — |
| T61.14XA | Scombroid fish poisoning, undetermined, initial encounter | ✓ |
| T61.14XA | Scombroid fish poisoning, undetermined, initial encounter | ✓ |
| T61.14XD | Scombroid fish poisoning, undetermined, subsequent encounter | ✓ |
| T61.14XD | Scombroid fish poisoning, undetermined, subsequent encounter | ✓ |
| T61.14XS | Scombroid fish poisoning, undetermined, sequela | ✓ |
| T61.14XS | Scombroid fish poisoning, undetermined, sequela | ✓ |
| T61.77 | Other fish poisoning | — |
| T61.77 | Other fish poisoning | — |
| T61.78 | Other shellfish poisoning | — |
| T61.78 | Other shellfish poisoning | — |
| T61.91 | Toxic effect of unspecified seafood, accidental (unintentional) | — |
| T61.91 | Toxic effect of unspecified seafood, accidental (unintentional) | — |
| T61.91XA | Toxic effect of unspecified seafood, accidental (unintentional), initial encounter | ✓ |
| T61.91XA | Toxic effect of unspecified seafood, accidental (unintentional), initial encounter | ✓ |
| T61.91XD | Toxic effect of unspecified seafood, accidental (unintentional), subsequent encounter | ✓ |
| T61.91XD | Toxic effect of unspecified seafood, accidental (unintentional), subsequent encounter | ✓ |
| T61.91XS | Toxic effect of unspecified seafood, accidental (unintentional), sequela | ✓ |
| T61.91XS | Toxic effect of unspecified seafood, accidental (unintentional), sequela | ✓ |
| T61.92 | Toxic effect of unspecified seafood, intentional self-harm | — |
| T61.92 | Toxic effect of unspecified seafood, intentional self-harm | — |
| T61.92XA | Toxic effect of unspecified seafood, intentional self-harm, initial encounter | ✓ |
| T61.92XA | Toxic effect of unspecified seafood, intentional self-harm, initial encounter | ✓ |
| T61.92XD | Toxic effect of unspecified seafood, intentional self-harm, subsequent encounter | ✓ |
| T61.92XD | Toxic effect of unspecified seafood, intentional self-harm, subsequent encounter | ✓ |
| T61.92XS | Toxic effect of unspecified seafood, intentional self-harm, sequela | ✓ |
| T61.92XS | Toxic effect of unspecified seafood, intentional self-harm, sequela | ✓ |
| T61.93 | Toxic effect of unspecified seafood, assault | — |
| T61.93 | Toxic effect of unspecified seafood, assault | — |
| T61.93XA | Toxic effect of unspecified seafood, assault, initial encounter | ✓ |
| T61.93XA | Toxic effect of unspecified seafood, assault, initial encounter | ✓ |
| T61.93XD | Toxic effect of unspecified seafood, assault, subsequent encounter | ✓ |
| T61.93XD | Toxic effect of unspecified seafood, assault, subsequent encounter | ✓ |
| T61.93XS | Toxic effect of unspecified seafood, assault, sequela | ✓ |
| T61.93XS | Toxic effect of unspecified seafood, assault, sequela | ✓ |
| T61.94 | Toxic effect of unspecified seafood, undetermined | — |
| T61.94 | Toxic effect of unspecified seafood, undetermined | — |
| T61.94XA | Toxic effect of unspecified seafood, undetermined, initial encounter | ✓ |
| T61.94XA | Toxic effect of unspecified seafood, undetermined, initial encounter | ✓ |
| T61.94XD | Toxic effect of unspecified seafood, undetermined, subsequent encounter | ✓ |
| T61.94XD | Toxic effect of unspecified seafood, undetermined, subsequent encounter | ✓ |
| T61.94XS | Toxic effect of unspecified seafood, undetermined, sequela | ✓ |
| T61.94XS | Toxic effect of unspecified seafood, undetermined, sequela | ✓ |
| T61.771 | Other fish poisoning, accidental (unintentional) | — |
| T61.771 | Other fish poisoning, accidental (unintentional) | — |
| T61.771A | Other fish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.771A | Other fish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.771D | Other fish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.771D | Other fish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.771S | Other fish poisoning, accidental (unintentional), sequela | ✓ |
| T61.771S | Other fish poisoning, accidental (unintentional), sequela | ✓ |
| T61.772 | Other fish poisoning, intentional self-harm | — |
| T61.772 | Other fish poisoning, intentional self-harm | — |
| T61.772A | Other fish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.772A | Other fish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.772D | Other fish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.772D | Other fish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.772S | Other fish poisoning, intentional self-harm, sequela | ✓ |
| T61.772S | Other fish poisoning, intentional self-harm, sequela | ✓ |
| T61.773 | Other fish poisoning, assault | — |
| T61.773 | Other fish poisoning, assault | — |
| T61.773A | Other fish poisoning, assault, initial encounter | ✓ |
| T61.773A | Other fish poisoning, assault, initial encounter | ✓ |
| T61.773D | Other fish poisoning, assault, subsequent encounter | ✓ |
| T61.773D | Other fish poisoning, assault, subsequent encounter | ✓ |
| T61.773S | Other fish poisoning, assault, sequela | ✓ |
| T61.773S | Other fish poisoning, assault, sequela | ✓ |
| T61.774 | Other fish poisoning, undetermined | — |
| T61.774 | Other fish poisoning, undetermined | — |
| T61.774A | Other fish poisoning, undetermined, initial encounter | ✓ |
| T61.774A | Other fish poisoning, undetermined, initial encounter | ✓ |
| T61.774D | Other fish poisoning, undetermined, subsequent encounter | ✓ |
| T61.774D | Other fish poisoning, undetermined, subsequent encounter | ✓ |
| T61.774S | Other fish poisoning, undetermined, sequela | ✓ |
| T61.774S | Other fish poisoning, undetermined, sequela | ✓ |
| T61.781 | Other shellfish poisoning, accidental (unintentional) | — |
| T61.781 | Other shellfish poisoning, accidental (unintentional) | — |
| T61.781A | Other shellfish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.781A | Other shellfish poisoning, accidental (unintentional), initial encounter | ✓ |
| T61.781D | Other shellfish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.781D | Other shellfish poisoning, accidental (unintentional), subsequent encounter | ✓ |
| T61.781S | Other shellfish poisoning, accidental (unintentional), sequela | ✓ |
| T61.781S | Other shellfish poisoning, accidental (unintentional), sequela | ✓ |
| T61.782 | Other shellfish poisoning, intentional self-harm | — |
| T61.782 | Other shellfish poisoning, intentional self-harm | — |
| T61.782A | Other shellfish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.782A | Other shellfish poisoning, intentional self-harm, initial encounter | ✓ |
| T61.782D | Other shellfish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.782D | Other shellfish poisoning, intentional self-harm, subsequent encounter | ✓ |
| T61.782S | Other shellfish poisoning, intentional self-harm, sequela | ✓ |
| T61.782S | Other shellfish poisoning, intentional self-harm, sequela | ✓ |
| T61.783 | Other shellfish poisoning, assault | — |
| T61.783 | Other shellfish poisoning, assault | — |
| T61.783A | Other shellfish poisoning, assault, initial encounter | ✓ |
| T61.783A | Other shellfish poisoning, assault, initial encounter | ✓ |
| T61.783D | Other shellfish poisoning, assault, subsequent encounter | ✓ |
| T61.783D | Other shellfish poisoning, assault, subsequent encounter | ✓ |
| T61.783S | Other shellfish poisoning, assault, sequela | ✓ |
| T61.783S | Other shellfish poisoning, assault, sequela | ✓ |
| T61.784 | Other shellfish poisoning, undetermined | — |
| T61.784 | Other shellfish poisoning, undetermined | — |
| T61.784A | Other shellfish poisoning, undetermined, initial encounter | ✓ |
| T61.784A | Other shellfish poisoning, undetermined, initial encounter | ✓ |
| T61.784D | Other shellfish poisoning, undetermined, subsequent encounter | ✓ |
| T61.784D | Other shellfish poisoning, undetermined, subsequent encounter | ✓ |
| T61.784S | Other shellfish poisoning, undetermined, sequela | ✓ |
| T61.784S | Other shellfish poisoning, undetermined, sequela | ✓ |
Frequently asked questions
What is ICD-10-CM code T61?
T61 is an ICD-10-CM category covering Toxic effect of noxious substances eaten as seafood. It contains 208 more specific diagnosis codes, 144 of which are billable.
Is T61 a billable code?
No — T61 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 T61.0 — Ciguatera fish poisoning). 144 of the 208 codes under T61 are billable.
What codes fall under T61?
T61 includes T61.0, T61.0, T61.01, T61.01, T61.1, plus 203 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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