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M43.07

Billable

Spondylolysis, lumbosacral region

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

What This Code Means

A stress fracture or defect in the vertebral bone at the junction between the lower back and sacrum (lumbosacral region).

Coding Tips

  • •This is a critical transition zone; ensure precise anatomical documentation to distinguish from purely lumbar or sacral involvement
  • •Often associated with lower back pain radiating to buttocks or legs

Code Hierarchy

└M43Other deforming dorsopathies└M43.0Spondylolysis└M43.07Spondylolysis, lumbosacral region
└M43.07Spondylolysis, lumbosacral region

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