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M99.16

Billable

Subluxation complex (vertebral) of lower extremity

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

What This Code Means

A partial dislocation of vertebrae affecting the lower leg and foot area that narrows the nerve canal, potentially causing pain, numbness, or weakness in the lower extremity.

Coding Tips

  • •Document whether the subluxation affects the right, left, or bilateral lower extremity if applicable
  • •Ensure the condition is related to vertebral subluxation rather than other lower extremity joint dislocations

Code Hierarchy

└M99Biomechanical lesions, not elsewhere classified└M99.1Subluxation complex (vertebral)└M99.16Subluxation complex (vertebral) of lower extremity
└M99.16Subluxation complex (vertebral) of lower extremity

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