Skip to content

CT Scan of the Larynx Without Contrast

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

A CT scan uses X-rays to create detailed images of the larynx (voice box) and nearby neck structures without injecting contrast dye.

Quick summary

["This scan helps identify structural or tissue abnormalities in the larynx and surrounding neck area."]

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

Key facts at a glance

LOINC
36511-4
Short code
CT Larynx WO contr
Synonyms
CT Larynx 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
ct
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?

A larynx CT scan is an X-ray–based imaging test that creates detailed pictures of the voice box, vocal cords, airway, and nearby neck tissues. It is performed without injected contrast dye.

Why might I need this test?

The test may be recommended to evaluate a neck lump, persistent hoarseness, throat or neck pain, difficulty swallowing, or changes in the upper airway. It can also help assess suspected inflammation, infection, trauma, or a mass.

How is the test performed?

You will lie on a CT table while the scanner rotates around your head and neck, taking X-ray images from different angles. The scan is usually brief and does not require injected contrast dye.

How do I prepare for the test?

No contrast-related preparation is needed, but the imaging facility may ask you to remove metal jewelry, glasses, and hearing aids. Tell the care team if you are pregnant, may be pregnant, or have had a recent reaction to contrast dye.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

CT Larynx Without Contrast

Frequently asked questions

Does this CT scan use contrast dye?
No. This test is performed without injected contrast dye, so there is usually no need for contrast-related waiting periods or special medication instructions.
Is a larynx CT scan the same as a laryngoscopy?
No. CT creates detailed X-ray images of the larynx and surrounding structures, while laryngoscopy uses a scope to look directly at the voice box and vocal cords.
Will I know the results right after the scan?
A radiologist will interpret the images, but the final report may not be available immediately. Your ordering clinician will review the findings and discuss any follow-up needed.
  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