ICD-10-CM > S00-T88 > S50-S59 > S56 > S56.2 > S56.20 > S56.202 S56.202 Unspecified injury of other flexor muscle, fascia and tendon at forearm level, left arm Non-Billable/Non-Specific Codes S56.202A..., initial encounterS56.202D..., subsequent encounterS56.202S..., sequela