ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.9 > S46.99 > S46.992 S46.992 Other injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, left arm Non-Billable/Non-Specific Codes S46.992A..., initial encounterS46.992D..., subsequent encounterS46.992S..., sequela