Computed Tomography (CT) Chest, Abdomen, and Pelvis With and Without Intravenous Contrast
A CT scan uses X-rays to create detailed images of the chest, abdomen, and pelvis, with images taken before and after IV contrast in some cases.
["This CT scan evaluates the chest and abdominal or pelvic organs and may be repeated after IV contrast to improve image detail."]
Key facts at a glance
- LOINC
- 87865-2
- Short code
- CT Abd+Pel WO + Chest+Abd+Pel W contr IV
- Synonyms
- CT Abd+Pel WO + Chest+Abd+Pel W contr IV
- 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?
This is a computed tomography (CT) scan that creates detailed X-ray images of the chest, abdomen, and pelvis. Intravenous contrast may be used to make blood vessels and certain organs easier to see, and the scan may include images taken both before and after contrast.
Why might I need this test?
Your clinician may order this scan to investigate unexplained symptoms, look for an injury, infection, blockage, or mass, or assess the organs and blood vessels in the chest, abdomen, or pelvis. It may also be used to evaluate or monitor an existing condition.
How is the test performed?
You will lie on a table while a CT scanner rotates around you and takes X-ray images. If IV contrast is used, it is given through a vein in your arm, and additional images are taken after the contrast circulates. The scan usually takes less than an hour, although the exact time varies.
How do I prepare for the test?
Follow the instructions provided by the imaging center, as fasting or withholding certain medicines may be needed. Tell the care team about kidney problems, prior contrast reactions, iodine allergy, pregnancy or possible pregnancy, and any implanted medical devices. If oral contrast is also planned, ask about the required fasting period.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Abnormal findings may involve the lungs, heart, major blood vessels, liver, gallbladder, kidneys, bowel, or other organs and structures in the chest, abdomen, or pelvis. The results may suggest conditions such as infection, inflammation, bleeding, obstruction, injury, stones, or a mass, but the scan must be interpreted alongside symptoms and other tests.
Short name
CT Chest and Abdomen/Pelvis With and Without IV Contrast
Frequently asked questions
Does this CT scan use IV contrast?
Is the CT scan painful?
How soon will I receive the results?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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