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M90.679

Billable

Osteitis deformans in neoplastic diseases, unspecified ankle and foot

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

What This Code Means

Bone deformity and inflammation (Paget's disease) affecting the ankle and foot caused by an underlying cancer, but the specific location is not identified.

Coding Tips

  • This code requires documentation of both the neoplastic disease causing the bone condition and the unspecified ankle/foot location
  • Use this code only when the exact ankle or foot site cannot be determined; otherwise use more specific laterality codes

Code Hierarchy

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