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Criteria library

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Anthem·Imaging·Lumbar Spine

Magnetic Resonance Imaging — Lumbar Spine

Effective Jan 1, 2026Reviewed Mar 15, 2026Gold-card 93%
Criteria — 5
01Symptom duration ≥6 weeks OR red-flag symptoms present
PayerPolicy

Documented low back pain or radicular symptoms persisting ≥6 weeks despite conservative management, OR presence of red-flag findings (cauda equina, progressive neuro deficit, suspected malignancy/infection, significant trauma).

Anthem RAD.00029 §III.A.1
02Failed conservative therapy (unless red flags)
PayerPolicy

Documentation of supervised physical therapy, NSAIDs, activity modification, or equivalent ≥6 weeks. Waived if red flags present.

Anthem RAD.00029 §III.A.2
03Focal neuro findings on exam OR surgical/injection planning
PayerPolicy

Physical exam documents focal deficit (motor, sensory, reflex) consistent with imaging hypothesis, OR PA submitted in context of planned procedure.

Anthem RAD.00029 §III.A.3
04No equivalent imaging within 12 months
PayerPolicy

Member has not had MRI of same anatomic region within 12 months unless clinically significant change documented.

Anthem RAD.00029 §III.A.4
05Ordered by credentialed provider
PayerPolicy

Order placed by NPI in good standing with active license in member's state.

Anthem RAD.00029 §II