M99.03 – Segmental and somatic dysfunction of lumbar region

M99.03 – Segmental and somatic dysfunction of lumbar region

Learn about the M99.03 ICD-10-CM code for lumbar segmental and somatic dysfunction through this guide.

By Matt Olivares on Aug 8, 2025.

Fact Checked by Ericka Pingol.

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Commonly asked questions

The M99.03 diagnosis code is used when a patient exhibits segmental and somatic dysfunction of the lumbar region, commonly causing lower back pain and reduced mobility.

Yes, M99.03 is a billable diagnosis code that can be used for health insurance claim purposes.

Common treatments can include physical therapy, pain management through medication, and in severe cases, surgical intervention.

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