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M12.462

Billable

Intermittent hydrarthrosis, left knee

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

What This Code Means

Intermittent swelling of the left knee joint due to fluid accumulation that comes and goes over time.

Coding Tips

  • Verify left knee is documented in the clinical notes before coding
  • Distinguish from M12.461 (right knee) and M12.469 (unspecified knee)

Code Hierarchy

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