70546 Mr angiograph head without & with dye
Also known as: MRA head with and without contrast, dual-phase angiography
Magnetic resonance angiography of the intracranial arteries of the head performed with noncontrast and intravenous gadolinium contrast acquisitions. Combines time-of-flight and contrast-enhanced angiographic techniques.
In Plain Language
complete head vessel imaging; comprehensive angiography
Clinical Context
Comprehensive angiographic protocol used when both noncontrast and enhanced vascular detail are needed, such as complex aneurysm evaluation or assessment of arterial flow dynamics.
RVU Breakdown
| Work RVU | 1.44 |
| Total RVU | 1.44 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 1.44, this code ranks in the 77th percentile among Radiology codes — 1.8x the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 70546?
CPT 70546 (Mr angiograph head without & with dye) is a Radiology code. Magnetic resonance angiography of the intracranial arteries of the head performed with noncontrast and intravenous gadolinium contrast acquisitions. Combines time-of-flight and contrast-enhanced angiographic techniques.
Who uses CPT code 70546?
CPT 70546 is used by Neuroradiology, Neurosurgery, Neurology. Comprehensive angiographic protocol used when both noncontrast and enhanced vascular detail are needed, such as complex aneurysm evaluation or assessment of arterial flow dynamics.
When is CPT 70546 used?
Comprehensive angiographic protocol used when both noncontrast and enhanced vascular detail are needed, such as complex aneurysm evaluation or assessment of arterial flow dynamics.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.