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M12.40

Billable

Intermittent hydrarthrosis, unspecified site

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

What This Code Means

A condition where fluid periodically accumulates in a joint, causing swelling and stiffness that comes and goes, affecting an unspecified joint location.

Coding Tips

  • •Hydrarthrosis refers to fluid accumulation in joints; ensure this is documented in the clinical notes
  • •Use the unspecified code only when the affected joint site is not documented; otherwise use a more specific code

Code Hierarchy

└M12Other and unspecified arthropathy└M12.4Intermittent hydrarthrosis└M12.40Intermittent hydrarthrosis, unspecified site
└M12.40Intermittent hydrarthrosis, unspecified site

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