M90.519

HCC Category Mapping

What This Code Means

Death of bone tissue in the shoulder (side unspecified) caused by another disease.

Coding Tips

• •Use this code only when laterality cannot be determined from the medical record
• •Query the provider to determine right vs. left shoulder for more specific coding when possible

Clinical Significance

Secondary osteonecrosis of the shoulder without laterality specification represents bone death in a major joint caused by underlying systemic disease. This diagnosis indicates serious skeletal complications requiring comprehensive management of both the primary condition and resultant bone pathology.

Documentation Requirements

• ✓Underlying causative disease documented and coded first per guidelines
• ✓Clinical evidence of shoulder joint osteonecrosis present
• ✓Diagnostic imaging studies confirming bone necrosis
• ✓Functional assessment of affected shoulder documented
• ✓Treatment plan addressing both primary disease and bone complications
• ✓Documentation explaining why laterality is unspecified
• ✓Staging or severity assessment if applicable

Commonly Confused Codes