T63.003S — Toxic effect of unspecified snake venom, assault, sequela
Is T63.003S billable?
Yes, but T63.003S is an unspecified code. T63.003S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T63.003S is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting T63.003S — the more specific alternatives are listed below.
More specific alternatives
- T63.011SToxic effect of rattlesnake venom, accidental (unintentional), sequela
- T63.021SToxic effect of coral snake venom, accidental (unintentional), sequela
- T63.031SToxic effect of taipan venom, accidental (unintentional), sequela
- T63.041SToxic effect of cobra venom, accidental (unintentional), sequela
- T63.061SToxic effect of venom of other North and South American snake, accidental (unintentional), sequela
- T63.071SToxic effect of venom of other Australian snake, accidental (unintentional), sequela
- T63.081SToxic effect of venom of other African and Asian snake, accidental (unintentional), sequela
- T63.091SToxic effect of venom of other snake, accidental (unintentional), sequela
T63.003S at a glance
| Code | T63.003S |
|---|---|
| Description | Toxic effect of unspecified snake venom, assault, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in T63.003S?
In T63.003S, the 7th character S means sequela. The 7th character is required for T63.003S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T63.003S group to?
T63.003S sits in MDC 21 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 922Other Injury, Poisoning and Toxic Effect Diagnoses with MCCmedical
- 923Other Injury, Poisoning and Toxic Effect Diagnoses without MCCmedical
Excludes1 — never code together — inherited from T51-T65
The conditions below can never be reported together with T63.003S on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- contact with and (suspected) exposure to toxic substances (Z77.-)
Use additional code — inherited from Chapter 19
Report an additional code alongside T63.003S to fully describe the condition. T63.003S is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T51-T65
Report an additional code alongside T63.003S to fully describe the condition. T63.003S is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T63.003S, but a patient may have both at the same time. When documentation supports it, T63.003S and the excluded code may both be reported.
Excludes2 — not included here — inherited from T63
The conditions below are not part of T63.003S, but a patient may have both at the same time. When documentation supports it, T63.003S and the excluded code may both be reported.
How long has T63.003S existed?
T63.003S has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.