ICD-10-CM > S00-T88 > S70-S79 > S76 > S76.9 > S76.91 S76.91 Strain of unspecified muscles, fascia and tendons at thigh level Non-Billable/Non-Specific Codes S76.911Strain of unspecified muscles, fascia and tendons at thigh level, right thighS76.911A..., initial encounterS76.911D..., subsequent encounterS76.911S..., sequelaS76.912Strain of unspecified muscles, fascia and tendons at thigh level, left thighS76.912A..., initial encounterS76.912D..., subsequent encounterS76.912S..., sequelaS76.919Strain of unspecified muscles, fascia and tendons at thigh level, unspecified thighS76.919A..., initial encounterS76.919D..., subsequent encounterS76.919S..., sequela