ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.1 > S56.12 S56.12 Laceration of flexor muscle, fascia and tendon of other and unspecified finger at forearm level Non-Billable/Non-Specific Codes S56.121Laceration of flexor muscle, fascia and tendon of right index finger at forearm levelS56.121A..., initial encounterS56.121D..., subsequent encounterS56.121S..., sequelaS56.122Laceration of flexor muscle, fascia and tendon of left index finger at forearm levelS56.122A..., initial encounterS56.122D..., subsequent encounterS56.122S..., sequelaS56.123Laceration of flexor muscle, fascia and tendon of right middle finger at forearm levelS56.123A..., initial encounterS56.123D..., subsequent encounterS56.123S..., sequelaS56.124Laceration of flexor muscle, fascia and tendon of left middle finger at forearm levelS56.124A..., initial encounterS56.124D..., subsequent encounterS56.124S..., sequelaS56.125Laceration of flexor muscle, fascia and tendon of right ring finger at forearm levelS56.125A..., initial encounterS56.125D..., subsequent encounterS56.125S..., sequelaS56.126Laceration of flexor muscle, fascia and tendon of left ring finger at forearm levelS56.126A..., initial encounterS56.126D..., subsequent encounterS56.126S..., sequelaS56.127Laceration of flexor muscle, fascia and tendon of right little finger at forearm levelS56.127A..., initial encounterS56.127D..., subsequent encounterS56.127S..., sequelaS56.128Laceration of flexor muscle, fascia and tendon of left little finger at forearm levelS56.128A..., initial encounterS56.128D..., subsequent encounterS56.128S..., sequelaS56.129Laceration of flexor muscle, fascia and tendon of unspecified finger at forearm levelS56.129A..., initial encounterS56.129D..., subsequent encounterS56.129S..., sequela