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