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Dhv3nabserqlnt

Published: August 9, 2026Updated: August 14, 2026

This test detects neutralizing antibodies against Duck Hepatitis Virus Type 3 (DHV-3) in blood serum using a neutralization assay.

Quick summary

{"Detects protective antibodies against Duck Hepatitis Virus Type 3","Uses neutralization test to measure antibody function","Results indicate immunity status or exposure to the virus","Performed on serum sample","Important for vaccine development and epidemiological studies"}

Medically reviewed by WellAlly Editorial TeamLast reviewed August 14, 2026Editorial policy

Key facts at a glance

LOINC
23040-9
Short code
DHV3-NAB
Synonyms
DHV3 NAb Ser Ql Nt
Category
cardiac
Sample
serum
Container
Serum separator tube (SST) or plain red top tube
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
Virus neutralization test
CPT
86609
SNOMED
122442006
Specimen volume
1-2 mL of serum
Stability
Store at 2-8°C if testing within 48 hours. For longer storage, freeze at -20°C or below. Avoid repeated freeze-thaw cycles.
Hemolysis max
50
Lipemia max
100
Icterus max
20
TAT
72–168 hours
Order
routine

What is this test?

The Duck Hepatitis Virus Type 3 (DHV-3) Neutralizing Antibody test is a laboratory test that detects the presence of neutralizing antibodies against DHV-3 in your serum. DHV-3 is a virus that primarily affects ducks and can cause liver disease in young ducklings. This test uses a neutralization assay, which is a specialized technique that measures the functional ability of antibodies to neutralize or block the virus.

How does the neutralization test work?

In a neutralization test, a sample of your serum is mixed with the duck hepatitis virus in a laboratory setting. If neutralizing antibodies are present in your blood, they will bind to the virus and prevent it from infecting susceptible cells. The技术人员 then observe whether the virus is neutralized (blocked) or continues to infect cells. A positive result indicates that neutralizing antibodies are present, suggesting either previous exposure to the virus or successful vaccination.

Why is this test performed?

This test may be performed for several reasons: to determine if an individual or flock has been exposed to Duck Hepatitis Virus Type 3, to assess the effectiveness of vaccination against DHV-3, to monitor immunity status in ducks or individuals working with ducks, and for epidemiological studies to understand the spread of the virus in populations.

Reference range

Negative: No detectable neutralizing antibodies against duck hepatitis virus 3. Positive: Presence of neutralizing antibodies indicating exposure to duck hepatitis virus 3.N/A

Specimen: serum

No special preparation required. Routine venipuncture procedure. Inform laboratory of any recent vaccinations or antiviral treatments.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Is this test used for human health?
Duck Hepatitis Virus Type 3 primarily affects ducks and is not considered a significant human pathogen. This test is primarily used in veterinary medicine, poultry science, and research settings rather than for routine human healthcare.
What does a positive result mean?
A positive result indicates that neutralizing antibodies against DHV-3 are present in the serum. This typically means the individual has been exposed to the virus (either through natural infection or vaccination) and has developed immunity.
How is the sample collected?
A blood sample is collected from the individual (typically a duck or in research settings, possibly a human handler). The blood is then processed to separate the serum, which is the liquid part of blood that contains antibodies.
Do I need to fast before this test?
Fasting is generally not required for this test as it detects antibodies in the blood rather than measuring substances affected by food intake. However, follow any specific instructions provided by your healthcare provider or laboratory.
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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 14, 2026. · Read our editorial policy