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M12.469

Billable

Intermittent hydrarthrosis, unspecified 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 knee joint due to fluid accumulation when the specific knee (left or right) is not specified in the documentation.

Coding Tips

  • •Use only when laterality is truly unspecified or bilateral involvement is documented
  • •Query provider for clarification if possible to assign a laterality-specific code

Code Hierarchy

└M12Other and unspecified arthropathy└M12.4Intermittent hydrarthrosis└M12.46Intermittent hydrarthrosis, knee└M12.469Intermittent hydrarthrosis, unspecified knee
└M12.469Intermittent hydrarthrosis, unspecified knee

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