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Computed Tomography Perfusion Imaging of the Brain
Effective date
Jan 1, 2026
Identified
Jun 20, 2026
Summary
Computed tomography perfusion imaging of the brain may be considered medically necessary to select individuals with anterior large-vessel stroke for mechanical embolectomy, and it is considered investigational for all other indications. Effective 01/01/2026, the code reference added CPT 70472 (with concurrent CT or CT angiography of the same anatomy) and CPT 70473 (without concurrent CT or CT angiography of the same anatomy). CPT 40042T was deleted 12/31/2025.
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What to do
Action · 5 steps
01Already effective 2026-01-01: Billing team: Bill CT cerebral perfusion analysis with CPT 70472 when it is performed with concurrent CT or CT angiography of the same anatomy, listed separately in addition to the primary procedure code, or with CPT 70473 when it is performed without concurrent CT or CT angiography of the same anatomy.
02CPT 40042T was deleted 12/31/2025.
03The listed codes are only medically necessary when the procedure is performed according to the policy section, and the listed diagnosis is cerebral infarction, ICD-10 I63.00 through I63.9.
04Imaging for all other indications is considered investigational.
05Check current applicability at the source link before relying on these dates.
Codes mentioned
7047270473I63.00I63.9
Original notice
Computed Tomography Perfusion Imaging of the Brain
bcbsms.com · Always check the source before changing claims.