ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.1 > S66.11 > S66.116 S66.116 Strain of flexor muscle, fascia and tendon of right little finger at wrist and hand level Non-Billable/Non-Specific Codes S66.116A..., initial encounterS66.116D..., subsequent encounterS66.116S..., sequela