T23.5
ICD-10Non-billable categoryCorrosion of first degree of wrist and hand
Official ICD-10-CM descriptor (FY2026)
Corrosion of first degree of wrist and hand
T23.5 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Code first
Sequence the underlying condition before this code.
- (T51-T65) to identify chemical and intent
Use additional code
Report an additional code to identify the associated condition.
- external cause code to identify place (Y92)
ICD-10-CM FY2026 defines 9 codes beneath T23.5. See the ICD-10-CM index for what this site publishes.
Related codes in T23
- T23.0Burn of unspecified degree of wrist and handcategory
- T23.1Burn of first degree of wrist and handcategory
- T23.2Burn of second degree of wrist and handcategory
- T23.3Burn of third degree of wrist and handcategory
- T23.4Corrosion of unspecified degree of wrist and handcategory
- T23.6Corrosion of second degree of wrist and handcategory
- T23.7Corrosion of third degree of wrist and handcategory
Where this code sits
- Parent code
- T23
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.