D86.87

Billable

Sarcoid myositis

HCC Category Mapping

V28HCC 93 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.175

What This Code Means

Inflammation of the muscles caused by sarcoidosis, leading to muscle weakness, pain, and potential loss of function.

Coding Tips

•Document the location and severity of muscle involvement
•Differentiate from other myositis causes by confirming sarcoidosis etiology in documentation

Clinical Significance

Sarcoid myositis is a rare but clinically significant manifestation of sarcoidosis involving granulomatous inflammation of skeletal muscle. It can present as acute myopathy with proximal muscle weakness, chronic progressive myopathy, or incidentally discovered nodular muscle lesions. Though uncommon, it can cause significant functional impairment and may mimic other inflammatory myopathies, requiring careful diagnostic workup.

Documentation Requirements

✓Documentation must confirm sarcoidosis as the cause of the myositis, ideally with muscle biopsy showing non-caseating granulomas.
✓The provider should record presenting symptoms (weakness, pain, functional limitations), elevated muscle enzymes (creatine kinase), EMG/MRI findings, and treatment plan.
✓The relationship between the myositis and underlying sarcoidosis must be clearly stated.

Commonly Confused Codes

M60.9 (Myositis, unspecified) should not be used when sarcoidosis is the documented cause.M33.20 (Polymyositis without myopathy) and M33.22 (Polymyositis with myopathy) are used for idiopathic inflammatory myopathies, not sarcoid-related muscle inflammation.D86.89 (Sarcoidosis of other sites) is less specific and should not be used when D86.87 is available.

Code Hierarchy

└D86Sarcoidosis └D86.8Sarcoidosis of other sites └D86.87Sarcoid myositis

└D86.87Sarcoid myositis