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