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Duck Hepatitis Virus 1 Neutralizing Antibody Test

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

This test detects the presence of neutralizing antibodies against Duck Hepatitis Virus 1 in your blood serum. Neutralizing antibodies are protective proteins that your immune system produces to block the virus from infecting cells, so this test helps determine whether you have been exposed to the virus in the past or have developed immunity through vaccination.

Quick summary

{"Detects immune response to Duck Hepatitis Virus 1 infection","Uses neutralization assay technique on blood serum sample","Primarily used in veterinary and research settings","Positive result indicates past exposure or immunity","Sample is collected via blood draw"}

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

Key facts at a glance

LOINC
23033-4
Short code
DHV1-NAB
Synonyms
DHV1 NAb Ser Ql Nt
Category
cardiac
Sample
serum
Container
Red top serum separator tube or plain red top tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
Virus Neutralization Test
CPT
86635
SNOMED
122442009
Specimen volume
1.0 mL minimum serum
Stability
Refrigerated (2-8°C): up to 7 days. Frozen (-20°C or below): up to 30 days. Avoid repeated freeze-thaw cycles.
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
72–168 hours
Order
routine

What is this test?

The Duck Hepatitis Virus 1 Neutralizing Antibody test is a specialized laboratory test that detects whether your blood contains neutralizing antibodies against Duck Hepatitis Virus 1 (DHV-1). This virus primarily affects ducklings and can cause severe liver disease in young birds. The test uses a neutralization assay, which is a method to determine if specific antibodies in your serum can block (neutralize) the virus from infecting cells.

How is the test performed?

A blood sample is collected from you, usually from a vein in your arm. The sample is then processed to separate the serum, which is the liquid part of blood that contains antibodies. In the laboratory, the serum is mixed with the Duck Hepatitis Virus 1 to see if any antibodies in your blood can prevent the virus from infecting cells. If the virus is blocked, the test is considered positive, indicating the presence of neutralizing antibodies.

Why might I need this test?

This test is most commonly used in veterinary medicine and research settings, particularly in duck farms or hatcheries to monitor flock health and immunity. It may also be used in biomedical research settings where duck models are used to study liver diseases or viral infections. In rare cases, it may be used in clinical settings if exposure to the virus is suspected.

Reference range

Negative: No neutralizing antibody detected. Positive: Neutralizing antibody detected at the tested titer.N/A

Specimen: serum

No special preparation required. Standard venipuncture procedure.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Is this test painful?
The test requires a simple blood draw, which may cause brief discomfort or a minor sting when the needle is inserted. The procedure is generally well-tolerated and takes only a few minutes.
How long does it take to get results?
Results typically take 2-5 business days, depending on the laboratory's processing capabilities and whether the test needs to be sent to a specialized reference laboratory.
Do I need to fast before this test?
No fasting is required for this test. You can eat and drink normally before the blood draw.
What do positive results mean?
A positive result indicates the presence of neutralizing antibodies against Duck Hepatitis Virus 1, which typically means you have been exposed to the virus in the past or have developed immunity through vaccination.
Is this test used for human medical diagnosis?
This specific test is primarily used in veterinary medicine and research settings. It is not a routine human diagnostic test, though it may be used in specialized clinical scenarios where exposure to the virus is suspected.
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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