ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.4 > S56.42 > S56.427 S56.427 Laceration of extensor muscle, fascia and tendon of right little finger at forearm level Non-Billable/Non-Specific Codes S56.427A..., initial encounterS56.427D..., subsequent encounterS56.427S..., sequela