ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.9 > S66.91 > S66.911 S66.911 Strain of unspecified muscle, fascia and tendon at wrist and hand level, right hand Non-Billable/Non-Specific Codes S66.911A..., initial encounterS66.911D..., subsequent encounterS66.911S..., sequela