M08.919

HCC Category Mapping

What This Code Means

Juvenile arthritis of unspecified type affecting the shoulder in a child, where the specific side is not specified.

Coding Tips

• •Use this code only when the type of juvenile arthritis cannot be determined and the shoulder involvement is bilateral or unspecified
• •If the specific type of juvenile arthritis (such as polyarticular or systemic) is documented, use a more specific M08 code instead

Clinical Significance

This diagnosis represents juvenile arthritis of unspecified type affecting a shoulder when laterality cannot be determined, indicating chronic inflammatory disease requiring ongoing specialized management. The condition necessitates pediatric rheumatology care, immunosuppressive therapy, and monitoring for functional and developmental impacts.

Documentation Requirements

• ✓Patient age at onset documented as under 16 years
• ✓Evidence of chronic shoulder joint inflammation
• ✓Documentation that laterality cannot be determined from available information
• ✓Confirmation that specific juvenile arthritis type cannot be classified
• ✓Physical examination findings consistent with shoulder arthritis
• ✓Supporting laboratory and imaging studies
• ✓Current treatment approach and medication management
• ✓Assessment of shoulder function and range of motion limitations

Commonly Confused Codes