ICD Code M99.03

ICD code M99.03 is segmental and somatic dysfunction of the lumbar region, referring to impaired or altered function of the lower back’s spinal segments and related tissues.

1. Presence of pain, stiffness, or discomfort localized to the lumbar (lower back) region

2. Palpable tissue texture changes in the lumbar paraspinal muscles or surrounding soft tissues

3. Altered range of motion or restricted movement in the lumbar spine

4. Asymmetry or misalignment of lumbar vertebrae detected on physical examination

5. Evidence of segmental dysfunction such as tenderness, muscle spasm, or abnormal end feel during motion testing

6. Absence of underlying structural abnormalities (e.g., fracture, infection, malignancy) that would otherwise explain the symptoms

Relevant CPT codes that may be used to treat ICD code M99.03 include:

98940

98941

98942

97110

97112

97140

97010

97035

97124

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