Skip to content
HCC Buddy home

M99.03

Billable

Segmental and somatic dysfunction of lumbar 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 lower back (lumbar) region that restricts normal movement and alignment.

Coding Tips

  • •Lumbar dysfunction is one of the most common segmental dysfunctions and often causes lower back pain
  • •Document any associated radiculopathy or referred leg symptoms for comprehensive coding

Code Hierarchy

└M99Biomechanical lesions, not elsewhere classified└M99.0Segmental and somatic dysfunction└M99.03Segmental and somatic dysfunction of lumbar region
└M99.03Segmental and somatic dysfunction of lumbar region

Open M99.03 in the Interactive Encoder

See full code details, AI coding tips, HCC mappings, and related codes in our interactive encoder. Start your 14-day Pro trial — no credit card required.

Open in EncoderStart 14-Day Pro Trial