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M11.9

Billable

Crystal arthropathy, unspecified

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, but the specific type of crystal and the affected joint location are not documented.

Coding Tips

  • This is the least specific crystal arthropathy code; use only when site and crystal type cannot be determined
  • Request clarification from the provider to code to a more specific M11 code with documented site and crystal type

Code Hierarchy

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