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M51.A2

Billable

Intervertebral annulus fibrosus defect, large, lumbar region

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

What This Code Means

A large tear or defect in the outer fibrous ring of a spinal disc in the lower back.

Coding Tips

  • Confirm documentation explicitly states 'large' size to justify this code over unspecified or small variants
  • Large defects may be associated with disc herniation or extrusion; review for additional codes if applicable

Code First

Code Hierarchy

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