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M40.30

Billable

Flatback syndrome, site unspecified

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

What This Code Means

A loss of normal forward curvature in the lower back, creating an abnormally flat spine, with the specific spinal region not documented.

Coding Tips

  • •Flatback syndrome is often associated with degenerative disc disease or prior spinal fusion; review for related conditions
  • •Request documentation of the specific spinal region affected to assign a more precise code

Code Hierarchy

└M40Kyphosis and lordosis└M40.3Flatback syndrome└M40.30Flatback syndrome, site unspecified
└M40.30Flatback syndrome, site unspecified

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