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M21.759

Billable

Unequal limb length (acquired), unspecified femur

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

What This Code Means

A condition where the thighbone (femur) is unequal in length compared to the opposite side, but the specific side is not documented.

Coding Tips

  • •This code should only be used when the provider documentation does not specify right or left femur
  • •Query the provider for laterality to assign the appropriate specific code (M21.751 or M21.752)

Code Hierarchy

└M21Other acquired deformities of limbs└M21.7Unequal limb length (acquired)└M21.75Unequal limb length (acquired), femur└M21.759Unequal limb length (acquired), unspecified femur
└M21.759Unequal limb length (acquired), unspecified femur

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