S64
ICD-10Non-billable categoryInjury of nerves at wrist and hand level
Official ICD-10-CM descriptor (FY2026)
Injury of nerves at wrist and hand level
S64 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 also
Two codes may be needed; sequencing depends on the reason for the encounter.
- any associated open wound (S61.-)
7th character
- The appropriate 7th character is to be added to each code from category S64
Permitted 7th characters
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
More specific codes under S64
- S64.0Injury of ulnar nerve at wrist and hand levelcategory
- S64.1Injury of median nerve at wrist and hand levelcategory
- S64.2Injury of radial nerve at wrist and hand levelcategory
- S64.3Injury of digital nerve of thumbcategory
- S64.4Injury of digital nerve of other and unspecified fingercategory
- S64.8Injury of other nerves at wrist and hand levelcategory
- S64.9Injury of unspecified nerve at wrist and hand levelcategory
Where this code sits
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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.