M12.421
BillableIntermittent 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
└M12Other and unspecified arthropathy└M12.4Intermittent hydrarthrosis└M12.42Intermittent hydrarthrosis, elbow└M12.421Intermittent hydrarthrosis, right elbow
└M12.421Intermittent hydrarthrosis, right elbow