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M51.A3

Billable

Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size

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

What This Code Means

A tear or defect in the outer fibrous ring of a spinal disc at the junction between the lower back and sacrum, with the size not specified.

Coding Tips

  • •Use this code for lumbosacral region defects when size is not documented
  • •Distinguish from lumbar-only codes (M51.A0-A2) by confirming the defect involves the lumbosacral junction

Code First

  • , if applicable, lumbosacral disc herniation (M51.17, M51.27)

Code Hierarchy

└M51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders└M51.AOther lumbar and lumbosacral annulus fibrosus disc defects└M51.A3Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size
└M51.A3Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size

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