ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.8 > S56.82 S56.82 Laceration of other muscles, fascia and tendons at forearm level Non-Billable/Non-Specific Codes S56.821Laceration of other muscles, fascia and tendons at forearm level, right armS56.821A..., initial encounterS56.821D..., subsequent encounterS56.821S..., sequelaS56.822Laceration of other muscles, fascia and tendons at forearm level, left armS56.822A..., initial encounterS56.822D..., subsequent encounterS56.822S..., sequelaS56.829Laceration of other muscles, fascia and tendons at forearm level, unspecified armS56.829A..., initial encounterS56.829D..., subsequent encounterS56.829S..., sequela