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M89.422

Billable

Other hypertrophic osteoarthropathy, left upper arm

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A condition where bones and tissues in the left upper arm become abnormally thickened and enlarged, causing swelling and structural changes.

Coding Tips

  • Verify left side is clearly documented to distinguish from right upper arm codes
  • Note any associated symptoms like pain or functional limitations

Code Hierarchy

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