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Computed Tomography (CT) Scan of the Forearm Without Contrast

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

A CT scan uses X-rays to create detailed images of the forearm, helping evaluate injuries, bone abnormalities, and soft-tissue problems without injected contrast.

Quick summary

["This imaging test can identify forearm fractures and other structural problems that may not be clearly visible on a standard X-ray."]

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

Key facts at a glance

LOINC
36472-9
Short code
CT Forearm WO contr
Synonyms
CT Forearm 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 forearm CT scan is an imaging test that uses X-rays and a computer to create cross-sectional pictures of the area between the elbow and wrist. In a scan performed without contrast, no injected contrast dye is used.

Why might I need this test?

A clinician may order this scan to evaluate persistent arm or wrist pain, swelling, a suspected fracture, joint abnormalities, infection, or a soft-tissue mass. It may also be used to examine injuries that are not clearly visible on standard X-rays.

How is the test performed?

You will lie on a padded table while the CT scanner rotates around the affected forearm and takes X-ray images. The scan is generally painless and usually takes only a few minutes, although the total visit may take longer.

How do I prepare for the test?

Because no contrast dye is given, there are usually no contrast-related restrictions. Remove metal objects and tell the imaging staff if you are pregnant, have recently had surgery, or have any other medical conditions that could affect the scan.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

CT forearm without contrast

Frequently asked questions

Is a CT forearm scan the same as a standard X-ray?
No. A standard X-ray creates one or two flat images, while CT creates many cross-sectional images that can show fractures and surrounding tissues in greater detail.
Does this test use contrast dye?
This test is specified as being performed without injected contrast dye. Tell the imaging staff if you have previously had a reaction to contrast, although it is not used for this examination.
Will the scan hurt?
The CT scan itself is usually painless. You may be asked to remain very still, and the scanner can feel tight or noisy, but it does not typically cause pain.
  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