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M99.00

Billable

Segmental and somatic dysfunction of head region

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

What This Code Means

A dysfunction of the joints and muscles in the head region that affects normal movement and alignment.

Coding Tips

  • •This code is commonly used in chiropractic and osteopathic medicine for joint restriction diagnosis
  • •Ensure documentation specifies the type of dysfunction (segmental vs. somatic) for accurate coding

Code Hierarchy

└M99Biomechanical lesions, not elsewhere classified└M99.0Segmental and somatic dysfunction└M99.00Segmental and somatic dysfunction of head region
└M99.00Segmental and somatic dysfunction of head region

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