ICD-10-CM > S00-T88 > S40-S49 > S46 > S46.9 > S46.90 S46.90 Unspecified injury of unspecified muscle, fascia and tendon at shoulder and upper arm level Non-Billable/Non-Specific Codes S46.901Unspecified injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, right armS46.901A..., initial encounterS46.901D..., subsequent encounterS46.901S..., sequelaS46.902Unspecified injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, left armS46.902A..., initial encounterS46.902D..., subsequent encounterS46.902S..., sequelaS46.909Unspecified injury of unspecified muscle, fascia and tendon at shoulder and upper arm level, unspecified armS46.909A..., initial encounterS46.909D..., subsequent encounterS46.909S..., sequela