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Antibody titer to adenovirus (serum/plasma)

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

This test measures your immune system’s response to adenovirus, a common virus that can cause infections like colds or more serious illnesses. It helps determine if your body has been exposed to adenovirus and whether antibodies are present.

Quick summary

["Assesses past or current exposure to adenovirus through antibody detection."]

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

Key facts at a glance

LOINC
5041-9
Short code
HAdV Ab Titr Ser CF
Synonyms
HAdV Ab Titr Ser CF
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
comp-fix
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 This Test Measures

The test looks for antibodies produced by your immune system in response to adenovirus. Antibodies are proteins that your body makes to fight infections. This test specifically checks for immunoglobulin G (IgG) antibodies, which typically appear after an initial infection and can persist for years.

How the Test Works

A small blood sample is drawn to analyze your serum or plasma. The sample is tested using an immunoassay method to detect adenovirus-specific antibodies. This helps determine if your immune system has encountered the virus before.

Why It’s Done

Doctors may order this test if you have symptoms of adenovirus infection, if you’ve been exposed to someone with adenovirus, or if you’re at higher risk (e.g., immunocompromised individuals). It can also be used in research or diagnostic screening for certain conditions.

What to Expect

You’ll receive instructions from your healthcare provider about fasting or preparation. A healthcare professional will draw blood, and the sample will be sent to a lab for processing. Results are usually available within a few days.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Adenovirus Antibody Titer

Frequently asked questions

Why might my results be important?
High antibody levels suggest past exposure to adenovirus, which may indicate immunity. Low or absent levels could mean you’ve never been exposed or have not developed immunity. This test can guide decisions about vaccination, infection prevention, or monitoring for recurrent infections.
How long do results take?
Typically, results are available within 2–5 business days, depending on lab processing times. Your healthcare provider will contact you once results are ready.
Can I fast before this test?
No fasting is required for this test, as it involves blood antibody detection. However, always follow your provider’s specific instructions for sample collection.
  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