ICD-10-CM > S00-T88 > S70-S79 > S74 > S74.9 > S74.91 S74.91 Injury of unspecified nerve at hip and thigh level, right leg Non-Billable/Non-Specific Codes S74.91XA..., initial encounterS74.91XD..., subsequent encounterS74.91XS..., sequela