ICD-10-CM > S00-T88 > S60-S69 > S66 > S66.3 > S66.32 > S66.323 S66.323 Laceration of extensor muscle, fascia and tendon of left middle finger at wrist and hand level Non-Billable/Non-Specific Codes S66.323A..., initial encounterS66.323D..., subsequent encounterS66.323S..., sequela