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M08.962

Billable

Juvenile arthritis, unspecified, left knee

HCC Category Mapping

V28HCC 93Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.175
V24HCC 40Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.307
ESRDHCC 40Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000
RxHCCHCC 83Rheumatoid Arthritis and Inflammatory Connective Tissue Disease
0.000

What This Code Means

A type of arthritis that develops in children, affecting the left knee joint. The specific cause or type of juvenile arthritis is not specified.

Coding Tips

  • Verify left knee is the affected joint in the documentation
  • Check if both knees are involved; if so, code both M08.961 and M08.962

Clinical Significance

Juvenile arthritis affecting the left knee represents a chronic inflammatory condition that can significantly impact a child's mobility, physical development, and participation in age-appropriate activities. Requires comprehensive management including medical therapy, physical therapy, and regular monitoring for complications.

Documentation Requirements

  • Patient age at onset (must be under 16 years old)
  • Documentation of chronic arthritis (minimum 6 weeks duration)
  • Clear specification of left knee involvement
  • Clinical evidence of inflammation (swelling, stiffness, warmth)
  • Functional assessment and gait evaluation
  • Current treatment plan and medication response
  • Imaging studies showing joint changes
  • Laboratory markers of inflammation when available

Commonly Confused Codes

Code Hierarchy

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