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M66.0

Billable

Rupture of popliteal cyst

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

What This Code Means

A tear or rupture of a fluid-filled cyst located behind the knee joint.

Coding Tips

  • This code is specific to popliteal cysts only; do not use for cysts in other locations
  • Document whether the rupture is acute or chronic, as this may affect treatment decisions

Code Hierarchy

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