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CT Scan of the Neck, Chest, and Abdomen Without Contrast

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

A CT scan uses X-rays to create detailed images of the neck, chest, and abdomen. This version is performed without iodinated IV contrast.

Quick summary

["This CT scan provides detailed X-ray images of the neck, chest, and abdomen without iodinated IV contrast."]

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

Key facts at a glance

LOINC
103944-5
Short code
CT Neck+Chest+Abd WO contr
Synonyms
CT Neck+Chest+Abd WO contr
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
ct
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?

This is a computed tomography, or CT, scan that creates detailed cross-sectional images of the neck, chest, and abdomen. It is done without iodinated intravenous contrast.

Why might I need this test?

Your clinician may order this scan to evaluate structures in the neck, lungs, chest, lymph nodes, or abdominal organs. It may help investigate symptoms such as swelling, pain, breathing difficulty, or an unexplained mass.

How is the test performed?

You will lie on a CT table while an X-ray machine moves around the area being examined. The scan usually takes only a few minutes, and the images are then reviewed by a radiologist and sent to your ordering clinician.

How do I prepare for the test?

Follow the instructions provided by the imaging center because preparation may vary. Remove jewelry, glasses, and other metal objects, and tell the technologist if you are pregnant, may be pregnant, or have had a reaction to iodinated contrast before.

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

CT Neck, Chest, and Abdomen Without Contrast

Frequently asked questions

Does this test use IV contrast?
No. This version is performed without iodinated IV contrast, so you will not receive contrast material through a vein.
Is a CT scan painful?
The scan itself is generally painless. You may be asked to hold your breath briefly, and the enclosed scanner can feel cramped, but the procedure is usually brief.
How soon will the results be available?
A radiologist usually prepares the report shortly after the scan. Your ordering clinician will review the images and explain the results, although the exact timing may vary by facility.
  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