ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.1 > S56.11 S56.11 Strain of flexor muscle, fascia and tendon of other and unspecified finger at forearm level Non-Billable/Non-Specific Codes S56.111Strain of flexor muscle, fascia and tendon of right index finger at forearm levelS56.111A..., initial encounterS56.111D..., subsequent encounterS56.111S..., sequelaS56.112Strain of flexor muscle, fascia and tendon of left index finger at forearm levelS56.112A..., initial encounterS56.112D..., subsequent encounterS56.112S..., sequelaS56.113Strain of flexor muscle, fascia and tendon of right middle finger at forearm levelS56.113A..., initial encounterS56.113D..., subsequent encounterS56.113S..., sequelaS56.114Strain of flexor muscle, fascia and tendon of left middle finger at forearm levelS56.114A..., initial encounterS56.114D..., subsequent encounterS56.114S..., sequelaS56.115Strain of flexor muscle, fascia and tendon of right ring finger at forearm levelS56.115A..., initial encounterS56.115D..., subsequent encounterS56.115S..., sequelaS56.116Strain of flexor muscle, fascia and tendon of left ring finger at forearm levelS56.116A..., initial encounterS56.116D..., subsequent encounterS56.116S..., sequelaS56.117Strain of flexor muscle, fascia and tendon of right little finger at forearm levelS56.117A..., initial encounterS56.117D..., subsequent encounterS56.117S..., sequelaS56.118Strain of flexor muscle, fascia and tendon of left little finger at forearm levelS56.118A..., initial encounterS56.118D..., subsequent encounterS56.118S..., sequelaS56.119Strain of flexor muscle, fascia and tendon of finger of unspecified finger at forearm levelS56.119A..., initial encounterS56.119D..., subsequent encounterS56.119S..., sequela