T21.60XS — Corrosion of second degree of trunk, unspecified site, sequela
Is T21.60XS billable?
Yes, but T21.60XS is an unspecified code. T21.60XS is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T21.60XS 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 T21.60XS — the more specific alternatives are listed below.
More specific alternatives
- T21.61XSCorrosion of second degree of chest wall, sequela
- T21.62XSCorrosion of second degree of abdominal wall, sequela
- T21.63XSCorrosion of second degree of upper back, sequela
- T21.64XSCorrosion of second degree of lower back, sequela
- T21.65XSCorrosion of second degree of buttock, sequela
- T21.66XSCorrosion of second degree of male genital region, sequela
- T21.67XSCorrosion of second degree of female genital region, sequela
- T21.69XSCorrosion of second degree of other site of trunk, sequela
T21.60XS at a glance
| Code | T21.60XS |
|---|---|
| Description | Corrosion of second 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 T21.60XS?
In T21.60XS, the 7th character S means sequela. The 7th character is required for T21.60XS to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T21.60XS group to?
T21.60XS 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 T21.60XS listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T21.60, the nearest indexed parent of T21.60XS. Use them to find the family, then select the specific code.
- Corrosion › trunk › second degree (injury) (acid) (caustic) (chemical) (lime) (external) (internal)
Code first — inherited from T21.6
The underlying condition below must be sequenced before T21.60XS. T21.60XS describes a manifestation and cannot be the principal or first-listed diagnosis.
- (T51-T65) to identify chemical and intent
Use additional code — inherited from Chapter 19
Report an additional code alongside T21.60XS to fully describe the condition. T21.60XS 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 T21.60XS to fully describe the condition. T21.60XS is sequenced first.
Use additional code — inherited from T21.6
Report an additional code alongside T21.60XS to fully describe the condition. T21.60XS is sequenced first.
- external cause code to identify place (Y92)
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T21.60XS, but a patient may have both at the same time. When documentation supports it, T21.60XS and the excluded code may both be reported.
Excludes2 — not included here — inherited from T21
The conditions below are not part of T21.60XS, but a patient may have both at the same time. When documentation supports it, T21.60XS and the excluded code may both be reported.
How long has T21.60XS existed?
T21.60XS 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.