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M48.13

Billable

Ankylosing hyperostosis [Forestier], cervicothoracic region

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

What This Code Means

Abnormal bone growth at the junction between the neck and upper back that can cause stiffness and pain in both regions.

Coding Tips

  • •The cervicothoracic region is the transition zone; ensure documentation specifies this location rather than purely cervical or thoracic
  • •This location may present with symptoms affecting both upper extremities and upper back

Code Hierarchy

└M48Other spondylopathies└M48.1Ankylosing hyperostosis [Forestier]└M48.13Ankylosing hyperostosis [Forestier], cervicothoracic region
└M48.13Ankylosing hyperostosis [Forestier], cervicothoracic region

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