ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.1 > S56.12 > S56.129 S56.129 Laceration of flexor muscle, fascia and tendon of unspecified finger at forearm level Non-Billable/Non-Specific Codes S56.129A..., initial encounterS56.129D..., subsequent encounterS56.129S..., sequela