ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.8 > S56.89 > S56.892 S56.892 Other injury of other muscles, fascia and tendons at forearm level, left arm Non-Billable/Non-Specific Codes S56.892A..., initial encounterS56.892D..., subsequent encounterS56.892S..., sequela