T61 (Toxic effect of noxious substances eaten as seafood) compared with T63.94XS (Toxic effect of contact with unspecified venomous animal, undetermined, sequela), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2). MedCoder-derived
Distinct conditions — both may be reported.
“ingestion of toxic animal or plant (T61.-, T62.-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. T63.94XS carries an Excludes2 note covering T61: “ingestion of toxic animal or plant (T61.-, T62.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
| T61Toxic effect of noxious substances eaten as seafood | T63.94XSToxic effect of contact with unspecified venomous animal, undetermined, sequela | |
|---|---|---|
| Billing status | Non-billable header Report instead: T61.01XA, T61.01XD, T61.01XS, T61.02XA, T61.02XD | Billable |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) |
| Definition | Toxic effect of noxious substances eaten as seafood is a non-billable ICD-10-CM category code (T61). | Toxic effect of contact with unspecified venomous animal, undetermined, sequela is a billable ICD-10-CM diagnosis code (T63.94S). |
| 7th character | The appropriate 7th character is to be added to each code from category T61 | The appropriate 7th character is to be added to each code from category T63 |
| Includes | — | bite or touch of venomous animal pricked or stuck by thorn or leaf |
| Use additional code | code(s): for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) personal history of foreign body fully removed (Z87.821) | code(s): for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) personal history of foreign body fully removed (Z87.821) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources