T21.10XS — Burn of first degree of trunk, unspecified site, sequela
Is T21.10XS billable?
Yes, but T21.10XS is an unspecified code. T21.10XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T21.10XS 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 T21.10XS — the more specific alternatives are listed below.
More specific alternatives
- T21.11XSBurn of first degree of chest wall, sequela
- T21.12XSBurn of first degree of abdominal wall, sequela
- T21.13XSBurn of first degree of upper back, sequela
- T21.14XSBurn of first degree of lower back, sequela
- T21.15XSBurn of first degree of buttock, sequela
- T21.16XSBurn of first degree of male genital region, sequela
- T21.17XSBurn of first degree of female genital region, sequela
- T21.19XSBurn of first degree of other site of trunk, sequela
T21.10XS at a glance
| Code | T21.10XS |
|---|---|
| Description | Burn of first degree of trunk, unspecified site, 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 T21.10XS?
In T21.10XS, the 7th character S means sequela. The 7th character is required for T21.10XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T21.10XS group to?
T21.10XS sits in MDC 09 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.
- 604Trauma to the Skin, Subcutaneous Tissue and Breast with MCCmedical
- 605Trauma to the Skin, Subcutaneous Tissue and Breast without MCCmedical
How is T21.10XS listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T21.10, the nearest indexed parent of T21.10XS. Use them to find the family, then select the specific code.
- Burn › trunk › first degree (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
Use additional code — inherited from Chapter 19
Report an additional code alongside T21.10XS to fully describe the condition. T21.10XS is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T20-T25
Report an additional code alongside T21.10XS to fully describe the condition. T21.10XS is sequenced first.
Use additional code — inherited from T21.1
Report an additional code alongside T21.10XS to fully describe the condition. T21.10XS is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T21.10XS, but a patient may have both at the same time. When documentation supports it, T21.10XS and the excluded code may both be reported.
Excludes2 — not included here — inherited from T21
The conditions below are not part of T21.10XS, but a patient may have both at the same time. When documentation supports it, T21.10XS and the excluded code may both be reported.
How long has T21.10XS existed?
T21.10XS 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.