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CT Chest with 3D Reconstruction, Without Contrast

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

A CT scan creates detailed images of the chest, and 3D reconstruction helps display the lungs and surrounding structures from multiple angles.

Quick summary

["This imaging test uses a CT scanner and radiation to evaluate the chest without intravenous contrast."]

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

Key facts at a glance

LOINC
79096-4
Short code
CT Chest p 3D proc WO contr
Synonyms
CT Chest p 3D proc 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 chest CT uses X-rays taken from different angles to create detailed pictures of the lungs, airways, heart, blood vessels, ribs, and other structures in the chest. A 3D reconstruction combines the images into views that can help assess complex anatomy.

Why might I need this test?

Your clinician may order this test to investigate unexplained chest symptoms, an abnormal chest X-ray, or findings on another scan. It may be used to evaluate lung disease, chest injuries, masses, or the anatomy of the heart and major blood vessels.

How is the test performed?

You will lie on a table that moves through the CT scanner while X-ray images are collected. The scan is generally painless, and the 3D images are created afterward from the recorded data. This version is performed without intravenous contrast.

How do I prepare for the test?

Follow the instructions provided by the imaging facility. Because no intravenous contrast is used, fasting may not be necessary, but tell the care team if you are pregnant or may be pregnant and inform them of any medical conditions, devices, or allergies that could affect the scan.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Chest CT with 3D reconstruction

Frequently asked questions

Is this the same as a standard chest CT?
It is a chest CT that includes a 3D reconstruction of the images. The reconstruction provides additional views of the chest and does not represent a separate X-ray examination.
Will I receive contrast dye?
This test is identified as being performed without contrast, so no intravenous contrast dye is typically given. Confirm with the imaging facility if you were also instructed to receive oral or IV contrast.
Is the CT scan painful?
The scan itself is usually painless, although you must remain still inside the scanner. Some people feel anxious in the enclosed space, so tell the technologist if you have claustrophobia or another concern.
  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