T33.519S — Superficial frostbite of unspecified wrist, sequela
Is T33.519S billable?
Yes, but T33.519S is an unspecified code. T33.519S is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T33.519S 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 T33.519S — the more specific alternatives are listed below.
T33.519S at a glance
| Code | T33.519S |
|---|---|
| Description | Superficial frostbite of unspecified wrist, 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 T33.519S?
In T33.519S, the 7th character S means sequela. The 7th character is required for T33.519S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T33.519S group to?
T33.519S 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
How is T33.519S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T33.51, the nearest indexed parent of T33.519S. Use them to find the family, then select the specific code.
- Frostbite › wrist (superficial)
Use additional code — inherited from Chapter 19
Report an additional code alongside T33.519S to fully describe the condition. T33.519S is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T33.519S, but a patient may have both at the same time. When documentation supports it, T33.519S and the excluded code may both be reported.
Excludes2 — not included here — inherited from T33-T34
The conditions below are not part of T33.519S, but a patient may have both at the same time. When documentation supports it, T33.519S and the excluded code may both be reported.
How long has T33.519S existed?
T33.519S 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.