ICD-10-CM > S00-T88 > S60-S69 > S64 > S64.8 > S64.8X > S64.8X1 S64.8X1 Injury of other nerves at wrist and hand level of right arm Non-Billable/Non-Specific Codes S64.8X1A..., initial encounterS64.8X1D..., subsequent encounterS64.8X1S..., sequela