ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.9 > S46.90 > S46.901 S46.901 Unspecified injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, right arm Non-Billable/Non-Specific Codes S46.901A..., initial encounterS46.901D..., subsequent encounterS46.901S..., sequela