T21.24XS — Burn of second degree of lower back, sequela
Is T21.24XS billable?
Yes — T21.24XS is billable for FY2027. T21.24XS is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. T21.24XS may be submitted for encounters from October 1, 2026 through September 30, 2027.
T21.24XS at a glance
| Code | T21.24XS |
|---|---|
| Description | Burn of second degree of lower back, 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 T21.24XS?
In T21.24XS, the 7th character S means sequela. The 7th character is required for T21.24XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T21.24XS group to?
T21.24XS 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 T21.24XS listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T21.24, the nearest indexed parent of T21.24XS. Use them to find the family, then select the specific code.
- Burn › back › second degree (electricity) (flame) (hot gas, liquid or hot object) (radiation) (steam) (thermal)
Use additional code — inherited from Chapter 19
Report an additional code alongside T21.24XS to fully describe the condition. T21.24XS 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 T21.24XS to fully describe the condition. T21.24XS is sequenced first.
Use additional code — inherited from T21.2
Report an additional code alongside T21.24XS to fully describe the condition. T21.24XS is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T21.24XS, but a patient may have both at the same time. When documentation supports it, T21.24XS and the excluded code may both be reported.
Excludes2 — not included here — inherited from T21
The conditions below are not part of T21.24XS, but a patient may have both at the same time. When documentation supports it, T21.24XS and the excluded code may both be reported.
How long has T21.24XS existed?
T21.24XS 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.