ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.8 > S66.81 > S66.811 S66.811 Strain of other specified muscles, fascia and tendons at wrist and hand level, right hand Non-Billable/Non-Specific Codes S66.811A..., initial encounterS66.811D..., subsequent encounterS66.811S..., sequela