Skip to content

Cytomegalovirus (CMV) Antibody Status (Qualitative)

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

This test checks whether your body has developed antibodies to the cytomegalovirus (CMV), a common virus that can affect nearly everyone at some point in life.

Quick summary

["Determines if your immune system has recognized and fought off CMV."]

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

Key facts at a glance

LOINC
55279-4
Short code
CMV status
Synonyms
CMV status
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
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 detects the presence or absence of antibodies specific to CMV in your blood. Antibodies are proteins your immune system produces in response to infection. If you have CMV antibodies, it means your body has either had a past infection or been exposed to the virus.

Why It’s Ordered

Doctors may order this test if you have a weakened immune system (e.g., due to HIV/AIDS, chemotherapy, or organ transplant), are pregnant, or have symptoms like fever, fatigue, or swollen lymph nodes that could suggest CMV infection.

What to Expect Before the Test

No special preparation is needed. A blood sample will be taken from a vein in your arm by a healthcare professional. The process usually takes a few minutes.

What to Expect After the Test

You may feel slight discomfort or bruising at the injection site, but this typically resolves quickly. You can resume normal activities immediately.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

CMV Antibody Test

Frequently asked questions

Will this test show if I currently have an active CMV infection?
No, this test only checks for antibodies, which appear after your body has fought off the virus. If you suspect an active infection, your doctor may recommend additional tests.
Can I get CMV from this test?
No, the test uses sterile procedures to prevent contamination. However, if you’re immunocompromised, discuss precautions with your healthcare provider.
How long will I need to wait for results?
Results are typically available within 1–3 business days, depending on lab processing times. Your doctor will contact you with the outcome.
  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