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M48.18

Billable

Ankylosing hyperostosis [Forestier], sacral and sacrococcygeal region

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

What This Code Means

Abnormal bone growth in the sacrum and tailbone area that causes stiffness and pain in the lower back and buttock region.

Coding Tips

  • •Confirm documentation specifies sacral and sacrococcygeal region to use this code
  • •This location may present with coccygeal pain or sacroiliac joint involvement

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