ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.5 > S56.52 > S56.522 S56.522 Laceration of other extensor muscle, fascia and tendon at forearm level, left arm Non-Billable/Non-Specific Codes S56.522A..., initial encounterS56.522D..., subsequent encounterS56.522S..., sequela