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Q78.4

Billable

Enchondromatosis

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

What This Code Means

A genetic condition where multiple benign cartilage tumors develop within bones, causing deformities, limb length discrepancies, and potential malignant transformation.

Coding Tips

  • •Monitor for malignant transformation to chondrosarcoma; code any malignancy separately if it develops
  • •Document the number and location of enchondromas and any functional limitations they cause

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