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M11.861

Billable

Other specified crystal arthropathies, right knee

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

What This Code Means

A joint condition caused by crystal deposits in the right knee, where the specific type of crystal is not further specified.

Coding Tips

  • •This code is specific to the right knee; do not use for left knee or bilateral involvement
  • •Document the crystal type if known (monosodium urate, calcium pyrophosphate, etc.) for more specific coding

Code Hierarchy

└M11Other crystal arthropathies└M11.8Other specified crystal arthropathies└M11.86Other specified crystal arthropathies, knee└M11.861Other specified crystal arthropathies, right knee
└M11.861Other specified crystal arthropathies, right knee

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