ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.8 > S56.82 > S56.821 S56.821 Laceration of other muscles, fascia and tendons at forearm level, right arm Non-Billable/Non-Specific Codes S56.821A..., initial encounterS56.821D..., subsequent encounterS56.821S..., sequela