T63.83 vs W62
T63.83 (Toxic effect of contact with other venomous amphibian) compared with W62 (Contact with nonvenomous amphibians), 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. W62 carries an Excludes1 note covering T63.83: “contact with venomous amphibians (T63.81-T63.83)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. W62 carries an Excludes1 note covering T63.83: “Toxic effect of contact with venomous animals and plants (T63.-)”
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
| T63.83Toxic effect of contact with other venomous amphibian | W62Contact with nonvenomous amphibians | |
|---|---|---|
| Billing status | Non-billable header Report instead: T63.831A, T63.831D, T63.831S, T63.832A, T63.832D | Non-billable header Report instead: W62.0XXA, W62.0XXD, W62.0XXS, W62.1XXA, W62.1XXD |
| Classification | S00-T88 — Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88) | V00-Y99 — External Causes of Morbidity (V00-Y99) |
| Definition | Toxic effect of contact with other venomous amphibian is a non-billable ICD-10-CM category code (T63.83). | Contact with nonvenomous amphibians is a non-billable ICD-10-CM category code (W62). |
| 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 W62 |
| 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) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources