Skip to content

Magnetic Resonance Imaging of the Parotid Gland Without Contrast

Published: August 9, 2026Updated: August 16, 2026

MRI of the parotid glands performed without injected contrast to evaluate salivary gland tissue, masses, inflammation, and structural changes.

Quick summary

["This scan uses magnetic imaging to evaluate the parotid glands without injected contrast."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
37281-3
Short code
MR Parotid gland WO contr
Synonyms
MR Parotid gland WO contr
Category
liver
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
mr
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 imaging, or MRI, creates detailed pictures of the parotid glands, which are salivary glands located near the ears. This version is performed without injected contrast material.

Why might I need this test?

Your clinician may order this scan to investigate a lump, swelling, pain, or suspected blockage in a parotid gland. It can also help assess certain tumors and chronic inflammatory conditions.

How is the test performed?

You will lie on a table that moves into an MRI scanner. The scanner uses a strong magnetic field and radio waves to produce images, usually without requiring an injection.

How do I prepare for the test?

Follow the instructions provided by the imaging center. Tell the technologist if you have a pacemaker, other implanted medical device, metal in your body, or a possibility of pregnancy. You may be asked to remove jewelry, hearing aids, and other metal items.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Abnormal findings may indicate a benign or malignant mass, inflammation, infection, a cyst, or another structural change in the parotid gland. The MRI findings are interpreted together with your symptoms, physical examination, and any other tests. Your clinician will explain the significance of the results for you.

Short name

Parotid Gland MRI Without Contrast

Frequently asked questions

Is this the same as a parotid gland ultrasound?
No. Ultrasound uses sound waves, while MRI uses a magnetic field and radio waves to create more detailed images of the gland and surrounding tissues.
Why is the scan called “without contrast”?
It means no contrast dye is injected for this examination. This version may be used when contrast is not needed or may be unsafe.
Will I need someone to drive me home?
MRI itself does not usually require sedation, so you can generally leave afterward. If you receive sedating medication or have a condition that affects your balance, follow your clinician's transportation instructions.
  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 16, 2026. · Read our editorial policy