M06.842

HCC Category Mapping

What This Code Means

A form of rheumatoid arthritis affecting the left hand joints that doesn't fit into other specific categories.

Coding Tips

• •The '2' at the end indicates left side; confirm documentation clearly supports left hand involvement
• •Hand arthritis can significantly impact function; ensure all affected joints are appropriately documented and coded

Clinical Significance

Other specified rheumatoid arthritis of the left hand indicates an atypical RA variant affecting multiple small joints essential for fine motor function. Left hand involvement may be particularly limiting for individuals where this affects their dominant hand capabilities.

Documentation Requirements

• ✓Confirmed rheumatoid arthritis diagnosis with specific atypical characteristics
• ✓Clinical examination documenting left hand joint involvement
• ✓Description of features that distinguish this as 'other specified' RA type
• ✓Functional assessment of left hand grip and pinch strength
• ✓Documentation of specific joints affected within the hand
• ✓Laboratory findings consistent with active rheumatoid disease
• ✓Assessment of handedness and impact on dominant hand function
• ✓Treatment approach including hand therapy when appropriate

Commonly Confused Codes