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M12.421

Billable

Intermittent hydrarthrosis, right elbow

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

What This Code Means

Intermittent swelling of the right elbow joint due to fluid accumulation that comes and goes periodically.

Coding Tips

  • Verify laterality is documented as right in the medical record before assigning this code
  • Distinguish from other joint effusions by confirming the intermittent nature of symptoms

Code Hierarchy

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