ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.1 > S56.12 > S56.123 S56.123 Laceration of flexor muscle, fascia and tendon of right middle finger at forearm level Non-Billable/Non-Specific Codes S56.123A..., initial encounterS56.123D..., subsequent encounterS56.123S..., sequela