ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.1 > S66.19 > S66.197 S66.197 Other injury of flexor muscle, fascia and tendon of left little finger at wrist and hand level Non-Billable/Non-Specific Codes S66.197A..., initial encounterS66.197D..., subsequent encounterS66.197S..., sequela