ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.0 > S66.02 > S66.022 S66.022 Laceration of long flexor muscle, fascia and tendon of left thumb at wrist and hand level Non-Billable/Non-Specific Codes S66.022A..., initial encounterS66.022D..., subsequent encounterS66.022S..., sequela