T63.09 vs T63.611S
T63.09 (Toxic effect of venom of other snake) compared with T63.611S (Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), sequela), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. T63.611S carries an Excludes1 note covering T63.09: “sea-snake venom (T63.09)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| T63.09Toxic effect of venom of other snake | T63.611SToxic effect of contact with Portuguese Man-o-war, accidental (unintentional), sequela | |
|---|---|---|
| Billing status | Non-billable header Report instead: T63.091A, T63.091D, T63.091S, T63.092A, T63.092D | 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 venom of other snake is a non-billable ICD-10-CM category code (T63.09). | Toxic effect of contact with Portuguese Man-o-war, accidental (unintentional), sequela is a billable ICD-10-CM diagnosis code (T63.611S). |
| 7th character | The appropriate 7th character is to be added to each code from category T63 | 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 | 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