ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.5 > S66.51 > S66.516 S66.516 Strain of intrinsic muscle, fascia and tendon of right little finger at wrist and hand level Non-Billable/Non-Specific Codes S66.516A..., initial encounterS66.516D..., subsequent encounterS66.516S..., sequela