Which payers have published criteria for MR angiography neck without and with contrast (CPT 70549)?

The imaging guidelines used by Aetna, Anthem BCBS, Cigna, Medicare, UnitedHealthcare include criteria that apply to this study. Whether a specific patient's plan requires prior authorization depends on the plan, so confirm on the payer's portal or by phone before scheduling.

Who reviews prior authorization requests for MR angiography neck without and with contrast (CPT 70549)?

Most commercial payers hand imaging reviews to a radiology benefit manager. For the payers tracked here, requests are reviewed using guidelines from eviCore, Carelon, CMS, UnitedHealthcare / eviCore. The request is submitted through that organization's portal rather than the health plan's general line.

What should be in the clinical notes before requesting MR angiography neck without and with contrast (CPT 70549)?

Reviewers look for a recent office visit that documents the symptoms and how long they have lasted, exam findings, results of any earlier imaging, treatments already tried and how the patient responded, and the specific question the study is expected to answer. The diagnosis code on the request should match what the notes describe.

CPT 70549: MR angiography neck without and with contrast - Prior Authorization and Price

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CPT 70549

MRI angiography of the neck is conducted both without and with contrast.

MRA Head & Neck

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Payer guidelines that apply

Payer	Reviewed using	Guideline	Sections
Aetna	eviCore	Head Imaging Guidelines 2.0.2026, effective Sep 1, 2026 Pediatric Head Imaging Guidelines 2.0.2026, effective Sep 1, 2026 Peripheral Vascular Disease (PVD) Imaging Guidelines 2.0.2026, effective Sep 1, 2026 Neck Imaging Guidelines 1.0.2026, effective Feb 3, 2026	37 that name this code
Anthem BCBS	Carelon	Advanced imaging for vascular indications effective Sep 19, 2026	17 that name this code
Cigna	eviCore	Head Imaging Guidelines 2.0.2026, effective Sep 1, 2026 Pediatric Head Imaging Guidelines 2.0.2026, effective Sep 1, 2026 Peripheral Vascular Disease (PVD) Imaging Guidelines 2.0.2026, effective Sep 1, 2026 Neck Imaging Guidelines 1.0.2026, effective Feb 3, 2026	37 that name this code
Medicare	CMS	NCD 220.2: Magnetic Resonance Imaging effective Apr 10, 2018 L37373: MRI and CT Scans of the Head and Neck (Noridian Healthcare Solutions) effective Oct 23, 2025 L34425: Magnetic Resonance Imaging of the Head and Neck (Palmetto GBA) effective Mar 27, 2025	3 that name this code
Original Medicare does not run a prior authorization program for outpatient imaging; claims are judged against the coverage policies above. Medicare Advantage plans set their own prior authorization rules.
UnitedHealthcare	UnitedHealthcare / eviCore	Commercial and Exchange Cardiovascular and Radiology Imaging Guidelines 09.2026, effective Sep 1, 2026	36 that name this code

Guidelines collected from the payers' published documents on September 29, 2026. Payers revise these documents during the year. Open the guideline link to confirm the current version before you submit.

Conditions the guidelines address for this study

These are the clinical situations where payer guidelines discuss MR angiography neck without and with contrast. Each has its own criteria for when the study is considered appropriate.

Cerebrovascular Disease Aetna · Cigna · UnitedHealthcare
CNS and Head Infection/Neuro-COVID-19 Aetna · Cigna · UnitedHealthcare
Headache Aetna · Cigna · UnitedHealthcare
Chiari and Skull-Base Malformations Aetna · Cigna · UnitedHealthcare
Cerebral Aneurysm and AVM Aetna · Cigna · UnitedHealthcare
Dizziness, Vertigo and Syncope Aetna · Cigna · UnitedHealthcare
Eye Disorders and Visual Loss Aetna · Cigna · UnitedHealthcare
Cerebral Vasculitis Aetna · Cigna · UnitedHealthcare
Facial Palsy (Bell's Palsy)/Hemifacial Spasm Aetna · Cigna · UnitedHealthcare
Hearing Loss and Tinnitus Aetna · Cigna · UnitedHealthcare
Trigeminal Neuralgia and other Centrally Mediated Facial Pain Syndromes Aetna · Cigna · UnitedHealthcare
Pediatric Stroke Aetna · Cigna · UnitedHealthcare
Dystonia/Torticollis Aetna · Cigna · UnitedHealthcare
Epilepsy and Other Seizure Disorders Aetna · Cigna · UnitedHealthcare
Infantile Hemangiomas Aetna · Cigna · UnitedHealthcare
Intracranial Aneurysms and AVM Aetna · Cigna · UnitedHealthcare
Neck Pain/Neck Trauma Aetna · Cigna · UnitedHealthcare
Pediatric Ear Disorders Aetna · Cigna · UnitedHealthcare
Screening for Peripheral Artery /Aneurysmal Disease Aetna · Cigna · UnitedHealthcare
Aneurysm, extracranial (carotid or vertebral) Anthem BCBS
Aneurysm, intracranial Anthem BCBS
Arteriovenous malformation (AVM) or fistula (AVF) Anthem BCBS
Congenital or developmental vascular anomalies, not otherwise specified Anthem BCBS
Dissection, intracranial or extracranial Anthem BCBS
Evaluation for suspected vascular complications following a procedure Anthem BCBS
Fibromuscular dysplasia Anthem BCBS
Horner’s syndrome Anthem BCBS
Magnetic Resonance Imaging Medicare
Magnetic Resonance Imaging of the Head and Neck Medicare
MRI and CT Scans of the Head and Neck Medicare
Procedure related imaging of the intracranial vessels Anthem BCBS
Pulsatile tinnitus Anthem BCBS
Signs, symptoms, and abnormal imaging (including stroke or transient ischemic attack (TIA)) Anthem BCBS
Stenosis or occlusion of the carotid and vertebrobasilar arteries without symptoms Anthem BCBS
Traumatic vascular injury Anthem BCBS
Vascular anatomic delineation prior to surgical and interventional procedures, not otherwise specified* Anthem BCBS
Vasculitis Anthem BCBS
Venous thrombosis or compression, extracranial Anthem BCBS

Typical price

Commercial insurance, median

$1,567

Middle half of rates: $739 to $2,955

Medicare, hospital outpatient

$356

Facility payment

Medicare, physician fee schedule

$345

National, non-facility

Commercial figures come from negotiated rates published by 1,030 hospitals; Medicare figures from CMS fee schedules. Rates vary widely by hospital and plan. Pricing data from CenterIQ.

Get notified when the rules for this study change

Payers update imaging guidelines several times a year. We will email you when the criteria for MR angiography neck without and with contrast change.

CPT 70549: MR angiography neck without and with contrast - Prior Authorization and Price

Payer guidelines that apply

Conditions the guidelines address for this study

Typical price

Get notified when the rules for this study change

Frequently asked questions

Imaging CPT Code Coverage Lookup

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CPT 70549: MR angiography neck without and with contrast - Prior Authorization and Price

Payer guidelines that apply

Conditions the guidelines address for this study

Typical price

Get notified when the rules for this study change

Frequently asked questions

Related studies

Imaging CPT Code Coverage Lookup

Quick Access - Common Imaging CPT Codes

CT

MRI

MRA

PET