ICD-10-CM > S00-T88 > S70-S79 > S76 > S76.3 > S76.39 S76.39 Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level Non-Billable/Non-Specific Codes S76.391Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, right thighS76.391A..., initial encounterS76.391D..., subsequent encounterS76.391S..., sequelaS76.392Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, left thighS76.392A..., initial encounterS76.392D..., subsequent encounterS76.392S..., sequelaS76.399Other specified injury of muscle, fascia and tendon of the posterior muscle group at thigh level, unspecified thighS76.399A..., initial encounterS76.399D..., subsequent encounterS76.399S..., sequela