ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.4 > S56.49 > S56.498 S56.498 Other injury of extensor muscle, fascia and tendon of left little finger at forearm level Non-Billable/Non-Specific Codes S56.498A..., initial encounterS56.498D..., subsequent encounterS56.498S..., sequela