M08.961
BillableJuvenile arthritis, unspecified, right knee
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 the right knee joint. The specific cause or type of juvenile arthritis is not specified.
Coding Tips
- •Ensure the medical record clearly documents right knee involvement before assigning this code
- •If the type of juvenile arthritis is identified, use the more specific subcategory code
Clinical Significance
Juvenile arthritis of the right knee is a chronic inflammatory condition requiring long-term management to preserve joint function and prevent growth disturbances. Early intervention and monitoring are crucial to optimize outcomes and maintain mobility during critical developmental years.
Documentation Requirements
- ✓Patient age at onset (must be under 16 years old)
- ✓Evidence of chronic arthritis lasting at least 6 weeks
- ✓Specific documentation of right knee involvement
- ✓Inflammatory signs (swelling, warmth, limited range of motion)
- ✓Exclusion of infectious or other causes
- ✓Assessment of functional impact on ambulation
- ✓Treatment history and current medications
- ✓Joint imaging and laboratory studies as appropriate
Commonly Confused Codes
Code Hierarchy
└M08Juvenile arthritis└M08.9Juvenile arthritis, unspecified└M08.96Juvenile arthritis, unspecified, knee└M08.961Juvenile arthritis, unspecified, right knee
└M08.961Juvenile arthritis, unspecified, right knee