T22.619A — Corrosion of second degree of unspecified forearm, initial encounter
Is T22.619A billable?
Yes, but T22.619A is an unspecified code. T22.619A is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T22.619A 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 T22.619A — the more specific alternatives are listed below.
T22.619A at a glance
| Code | T22.619A |
|---|---|
| Description | Corrosion of second degree of unspecified forearm, initial encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter |
What does the 7th character "A" mean in T22.619A?
In T22.619A, the 7th character A means initial encounter. The 7th character is required for T22.619A to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T22.619A group to?
T22.619A sits in MDC 22 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 935Non-Extensive Burnsmedical
How is T22.619A listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T22.619, the nearest indexed parent of T22.619A. Use them to find the family, then select the specific code.
- Corrosion › forearm › second degree (injury) (acid) (caustic) (chemical) (lime) (external) (internal)
Code first — inherited from T22.6
The underlying condition below must be sequenced before T22.619A. T22.619A 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 T22.619A to fully describe the condition. T22.619A 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 T22.619A to fully describe the condition. T22.619A is sequenced first.
Use additional code — inherited from T22.6
Report an additional code alongside T22.619A to fully describe the condition. T22.619A 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 T22.619A, but a patient may have both at the same time. When documentation supports it, T22.619A and the excluded code may both be reported.
Excludes2 — not included here — inherited from T22
The conditions below are not part of T22.619A, but a patient may have both at the same time. When documentation supports it, T22.619A and the excluded code may both be reported.
How long has T22.619A existed?
T22.619A 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.