ICD-10-CM > S00-T88 > S60-S69 > S64 > S64.0 > S64.02 S64.02 Injury of ulnar nerve at wrist and hand level of left arm Non-Billable/Non-Specific Codes S64.02XA..., initial encounterS64.02XD..., subsequent encounterS64.02XS..., sequela