ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.9 > S46.90 > S46.909 S46.909 Unspecified injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, unspecified arm Non-Billable/Non-Specific Codes S46.909A..., initial encounterS46.909D..., subsequent encounterS46.909S..., sequela