ICD-10-CM > S00-T88 > S60-S69 > S64 > S64.1 S64.1 Injury of median nerve at wrist and hand level Non-Billable/Non-Specific Codes S64.10Injury of median nerve at wrist and hand level of unspecified armS64.10XA..., initial encounterS64.10XD..., subsequent encounterS64.10XS..., sequelaS64.11Injury of median nerve at wrist and hand level of right armS64.11XA..., initial encounterS64.11XD..., subsequent encounterS64.11XS..., sequelaS64.12Injury of median nerve at wrist and hand level of left armS64.12XA..., initial encounterS64.12XD..., subsequent encounterS64.12XS..., sequela