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M51.A0

Billable

Intervertebral annulus fibrosus defect, lumbar 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 in the lower back, with the size not specified.

Coding Tips

  • •Use this code when the annulus fibrosus defect is documented in the lumbar region but the size is not documented or is unclear
  • •If size is specified as small or large, use M51.A1 or M51.A2 instead for greater specificity

Code First

Code Hierarchy

└M51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders└M51.AOther lumbar and lumbosacral annulus fibrosus disc defects└M51.A0Intervertebral annulus fibrosus defect, lumbar region, unspecified size
└M51.A0Intervertebral annulus fibrosus defect, lumbar region, unspecified size

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