ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.1 > S66.11 > S66.118 S66.118 Strain of flexor muscle, fascia and tendon of other finger at wrist and hand level Non-Billable/Non-Specific Applicable To Strain of flexor muscle, fascia and tendon of specified finger with unspecified laterality at wrist and hand level Codes S66.118A..., initial encounterS66.118D..., subsequent encounterS66.118S..., sequela