ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.0 > S66.09 > S66.092 S66.092 Other specified injury of long flexor muscle, fascia and tendon of left thumb at wrist and hand level Non-Billable/Non-Specific Codes S66.092A..., initial encounterS66.092D..., subsequent encounterS66.092S..., sequela