ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.1 > S66.12 S66.12 Laceration of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level Non-Billable/Non-Specific Codes S66.120Laceration of flexor muscle, fascia and tendon of right index finger at wrist and hand levelS66.120A..., initial encounterS66.120D..., subsequent encounterS66.120S..., sequelaS66.121Laceration of flexor muscle, fascia and tendon of left index finger at wrist and hand levelS66.121A..., initial encounterS66.121D..., subsequent encounterS66.121S..., sequelaS66.122Laceration of flexor muscle, fascia and tendon of right middle finger at wrist and hand levelS66.122A..., initial encounterS66.122D..., subsequent encounterS66.122S..., sequelaS66.123Laceration of flexor muscle, fascia and tendon of left middle finger at wrist and hand levelS66.123A..., initial encounterS66.123D..., subsequent encounterS66.123S..., sequelaS66.124Laceration of flexor muscle, fascia and tendon of right ring finger at wrist and hand levelS66.124A..., initial encounterS66.124D..., subsequent encounterS66.124S..., sequelaS66.125Laceration of flexor muscle, fascia and tendon of left ring finger at wrist and hand levelS66.125A..., initial encounterS66.125D..., subsequent encounterS66.125S..., sequelaS66.126Laceration of flexor muscle, fascia and tendon of right little finger at wrist and hand levelS66.126A..., initial encounterS66.126D..., subsequent encounterS66.126S..., sequelaS66.127Laceration of flexor muscle, fascia and tendon of left little finger at wrist and hand levelS66.127A..., initial encounterS66.127D..., subsequent encounterS66.127S..., sequelaS66.128Laceration of flexor muscle, fascia and tendon of other finger at wrist and hand levelS66.128A..., initial encounterS66.128D..., subsequent encounterS66.128S..., sequelaS66.129Laceration of flexor muscle, fascia and tendon of unspecified finger at wrist and hand levelS66.129A..., initial encounterS66.129D..., subsequent encounterS66.129S..., sequela