<Tr> <Th> ICD - 9 - CM </Th> <Td> 726.19 </Td> </Tr> <Tr> <Td_colspan="2"> (edit on Wikidata) </Td> </Tr> <P> Subacromial bursitis is a condition caused by inflammation of the bursa that separates the superior surface of the supraspinatus tendon (one of the four tendons of the rotator cuff) from the overlying coraco - acromial ligament, acromion, coracoid (the acromial arch) and from the deep surface of the deltoid muscle . The subacromial bursa helps the motion of the supraspinatus tendon of the rotator cuff in activities such as overhead work . </P> <P> Musculoskeletal complaints are one of the most common reasons for primary care office visits, and rotator cuff disorders are the most common source of shoulder pain . </P>

What causes fluid in the subacromial subdeltoid bursa