ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.1 > S66.19 > S66.194 S66.194 Other injury of flexor muscle, fascia and tendon of right ring finger at wrist and hand level Non-Billable/Non-Specific Codes S66.194A..., initial encounterS66.194D..., subsequent encounterS66.194S..., sequela