ICD-10-CM
T23.661S: Corrosion of second degree back of right hand, sequela
A billable ICD-10-CM diagnosis code.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
- Kind
- Billable code
- Category
- T23
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Nearby codes
A header groups codes and is not billed. A billable code is one you can report.
It's the public CDC file. Check the current ICD-10-CM guidelines before you code.
Code first
The CDC tabular list says to report the code named here before this one.
From T23.6. A note on a category applies to every code under it.
Code first (T51-T65) to identify chemical and intent
Use additional code
The CDC tabular list says to add the code named here after this one when it applies.
From T23.6. A note on a category applies to every code under it.
Use additional external cause code to identify place (Y92)