S46.912 - Strain of unspecified muscle, fascia and tendon at shoulder and upper arm level, left arm S46.9 - Injury of unspecified muscle, fascia and tendon at shoulder and upper arm level S46.91 - Strain of unspecified muscle, fascia and tendon at shoulder and upper arm level S46.912 - Strain of unspecified muscle, fascia and tendon at shoulder and upper arm level, left arm