ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.1 > S56.12 > S56.126 S56.126 Laceration of flexor muscle, fascia and tendon of left ring finger at forearm level Non-Billable/Non-Specific Codes S56.126A..., initial encounterS56.126D..., subsequent encounterS56.126S..., sequela