ICD-10-CM > S00-T88 > S70-S79 > S74 > S74.9 > S74.90 S74.90 Injury of unspecified nerve at hip and thigh level, unspecified leg Non-Billable/Non-Specific Codes S74.90XA..., initial encounterS74.90XD..., subsequent encounterS74.90XS..., sequela