ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.3 > S66.39 > S66.395 S66.395 Other injury of extensor muscle, fascia and tendon of left ring finger at wrist and hand level Non-Billable/Non-Specific Codes S66.395A..., initial encounterS66.395D..., subsequent encounterS66.395S..., sequela