ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.1 > S56.11 > S56.115 S56.115 Strain of flexor muscle, fascia and tendon of right ring finger at forearm level Non-Billable/Non-Specific Codes S56.115A..., initial encounterS56.115D..., subsequent encounterS56.115S..., sequela