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Magnetic Resonance Angiography (MRA) of the Neck, With and Without IV Contrast

Published: August 9, 2026Updated: August 17, 2026

An MRI scan that creates detailed images of the major blood vessels in the neck, including the carotid and vertebral arteries.

Quick summary

["Neck MRA helps evaluate the neck's major arteries for narrowing, blockage, aneurysms, or other abnormalities."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 17, 2026Editorial policy

Key facts at a glance

LOINC
36853-0
Short code
MRA Neck vv WO+W contr IV
Synonyms
MRA Neck vv WO+W contr IV
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
22
Ref high
198
Critical range
— – 10000 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr-angio
CPT
82553
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What is this test?

Magnetic resonance angiography, or MRA, uses magnetic fields and radio waves to produce images of blood vessels. In this test, the major arteries supplying the brain, including the carotid and vertebral arteries, are examined.

Why might I need this test?

Neck MRA may be recommended to investigate symptoms such as dizziness, fainting, trouble with balance, or weakness on one side of the body. It may also be used to monitor known artery disease or evaluate a neck lump, pulsation, or suspected blood-vessel abnormality.

How is the test performed?

You lie on a table inside an MRI scanner while images of the neck arteries are acquired. If the IV-contrast portion is included, a gadolinium-based contrast material is given through a vein; images are then taken before and after the contrast is administered.

How do I prepare for the test?

Tell the imaging staff if you have a pacemaker, other implanted electronic device, metal fragments, pregnancy, or a previous allergic reaction to MRI contrast. You may need to remove jewelry, hearing aids, and other metal objects and may be asked to follow instructions about eating, drinking, and taking medicines.

Reference range

Adult males: 22-198 U/L; Females: 22-198 U/LN/A

Specimen: serum

No special preparation required. Inform provider of any chest pain or symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

MRA of the Neck

Frequently asked questions

Does neck MRA use radiation?
No. MRI does not use ionizing radiation, although the contrast-enhanced portion may require an injection and some people experience temporary warmth, nausea, or a metallic taste.
Is IV contrast always required?
Not always. Some neck MRA examinations can be performed without contrast, while others include both non-contrast and contrast-enhanced images. The radiologist or ordering clinician determines which protocol is appropriate.
What if I am claustrophobic?
Tell the imaging staff before the examination. The facility may offer relaxation techniques, medication, sedation when appropriate, or alternative imaging methods.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 17, 2026. · Read our editorial policy