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Duodenal Endoscopic Aspirate for Cytology (Cellular Analysis)

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

This test involves collecting cells from your duodenum—the first part of your small intestine—using an endoscope. It helps examine the cellular makeup for signs of abnormalities, such as inflammation, infection, or cancer.

Quick summary

["Assessing duodenal cell health may help diagnose gastrointestinal issues or monitor conditions like celiac disease or gastrointestinal cancers."]

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

Key facts at a glance

LOINC
111949-4
Short code
Site Duodenum Endscpy
Synonyms
Site Duodenum Endscpy
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
endoscopy
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

Why This Test Is Done

Doctors may order this test if you have symptoms like unexplained weight loss, persistent nausea, vomiting, or abdominal pain. It’s also used when there’s suspicion of conditions like gastrointestinal cancers, celiac disease, or other intestinal disorders. Sometimes, it’s performed as part of a broader diagnostic evaluation for unexplained digestive issues.

How the Test Is Performed

You’ll likely be given a sedative to relax during the procedure. An endoscope—a thin, flexible tube with a light and camera—is inserted through your mouth into your stomach and duodenum. A small sample of cells is carefully collected from the duodenal lining using a specialized tool. The procedure usually takes about 15–30 minutes.

What to Expect After the Test

After the procedure, you may feel mild discomfort or bloating, but most people return to normal activities within a few hours. You’ll need someone to drive you home if you received sedation. Avoid heavy meals or alcohol for a few hours afterward.

Sample Collection and Processing

The collected cells are sent to a lab for microscopic examination. A pathologist will analyze the sample to identify any abnormal cells, inflammation, or other notable features. This test does not provide quantitative measurements of specific substances but focuses on qualitative cellular assessment.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Duodenal Cytology

Frequently asked questions

What does a positive or abnormal result mean?
An abnormal result may indicate the presence of abnormal cells, inflammation, infection, or other pathological changes in your duodenum. This does not always mean you have cancer, but it may prompt further testing to investigate the underlying cause.
How long will I need to wait for results?
Results from this test are typically available within 1–3 business days, depending on lab processing times. Your healthcare provider will discuss the findings with you during a follow-up visit.
Is this test painful?
The procedure itself may cause mild discomfort or pressure, but you’ll be given sedation to minimize pain. Most people describe it as a brief, tolerable experience with temporary mild discomfort afterward.
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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