T23.452D — Corrosion of unspecified degree of left palm, subsequent encounter
Is T23.452D billable?
Yes, but T23.452D is an unspecified code. T23.452D is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, T23.452D 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 T23.452D — the more specific alternatives are listed below.
More specific alternatives
- T23.101DBurn of first degree of right hand, unspecified site, subsequent encounter
- T23.201DBurn of second degree of right hand, unspecified site, subsequent encounter
- T23.301DBurn of third degree of right hand, unspecified site, subsequent encounter
- T23.501DCorrosion of first degree of right hand, unspecified site, subsequent encounter
- T23.601DCorrosion of second degree of right hand, unspecified site, subsequent encounter
- T23.701DCorrosion of third degree of right hand, unspecified site, subsequent encounter
T23.452D at a glance
| Code | T23.452D |
|---|---|
| Description | Corrosion of unspecified degree of left palm, subsequent encounter |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "D" | subsequent encounter |
What does the 7th character "D" mean in T23.452D?
In T23.452D, the 7th character D means subsequent encounter. The 7th character is required for T23.452D to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does T23.452D group to?
T23.452D sits in MDC 23 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.
- 949Aftercare with CC/MCCmedical
- 950Aftercare without CC/MCCmedical
How is T23.452D listed in the Alphabetic Index?
The Alphabetic Index lists these routes under T23.452, the nearest indexed parent of T23.452D. Use them to find the family, then select the specific code.
- Corrosion › palm › left (injury) (acid) (caustic) (chemical) (lime) (external) (internal)
Code first — inherited from T23.4
The underlying condition below must be sequenced before T23.452D. T23.452D 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 T23.452D to fully describe the condition. T23.452D 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 T23.452D to fully describe the condition. T23.452D is sequenced first.
Use additional code — inherited from T23.4
Report an additional code alongside T23.452D to fully describe the condition. T23.452D 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 T23.452D, but a patient may have both at the same time. When documentation supports it, T23.452D and the excluded code may both be reported.
How long has T23.452D existed?
T23.452D 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.