M08.99
BillableJuvenile arthritis, unspecified, multiple sites
HCC Category Mapping
V28HCC 93 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.175V24HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.307ESRDHCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000RxHCCHCC 83 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000What This Code Means
A type of arthritis that develops in children, affecting multiple joints throughout the body, where the specific cause is not identified.
Coding Tips
- •Use this code only when juvenile arthritis affects multiple sites and the specific type cannot be determined
- •Ensure documentation specifies that multiple joints are involved to justify this code selection
Clinical Significance
Juvenile arthritis affecting multiple sites indicates a systemic inflammatory condition that can significantly impact a child's overall function, growth, and quality of life. This diagnosis suggests more severe disease requiring comprehensive management and close monitoring for complications and disease progression.
Documentation Requirements
- ✓Patient age at onset (must be under 16 years old)
- ✓Evidence of chronic arthritis lasting at least 6 weeks
- ✓Documentation of involvement in multiple joint sites
- ✓Specific identification of affected joints when possible
- ✓Functional assessment and impact on daily activities
- ✓Laboratory studies (inflammatory markers, autoantibodies)
- ✓Current medications and treatment response
- ✓Comprehensive imaging studies of affected joints
Commonly Confused Codes
Code Hierarchy
└M08Juvenile arthritis└M08.9Juvenile arthritis, unspecified└M08.99Juvenile arthritis, unspecified, multiple sites
└M08.99Juvenile arthritis, unspecified, multiple sites