Work Setting During COVID-19 Outbreak Exposure Assessment (Qualitative Antibody Screening)
This test checks for antibodies in your blood that may have developed after exposure to COVID-19, helping determine if your immune system responded to the virus during the pandemic period.
["This test helps track immune response to COVID-19 exposure but does not confirm past infection or current illness status."]
Key facts at a glance
- LOINC
- 97114-3
- Short code
- WORKSETTINGDURINGTHECOVID19OUTBREAK
- Synonyms
- —
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Ref low
- 3.5
- Ref high
- 5
- Critical range
- 2.5 N/A – 6.5 N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- CPT
- 84132
- SNOMED
- 110742001
- 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
This test detects the presence of antibodies (specifically IgG and/or IgM types) that your body produces in response to COVID-19. Antibodies are proteins that help your immune system recognize and fight the virus. The test is qualitative, meaning it only tells you if antibodies are present or not, rather than how much is present.
How the Test Works
Blood is drawn and tested for specific antibodies linked to COVID-19 exposure. The test uses immunoassay technology to identify these antibodies, which may indicate your immune system’s reaction to the virus during the COVID-19 outbreak period.
Why It’s Done
Healthcare providers may order this test to assess exposure risk, monitor immune response in vaccinated or previously infected individuals, or evaluate potential immunity during the pandemic. It’s not a diagnostic test for active COVID-19 infection.
What to Expect
You’ll receive instructions to fast or avoid certain medications before the test, but no special preparation is needed beyond standard blood draw procedures. Results are typically available within 1–3 business days.
Reference range
Adult: 3.5-5.0 mmol/LN/A
No special preparation usually required. Stay well hydrated. Inform your healthcare provider of all medications and supplements you are taking.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
Positive results suggest your immune system likely encountered COVID-19 during the outbreak period and produced antibodies. Negative results mean no detectable antibodies were found at the time of testing, but this does not rule out past infection. These results are useful for public health tracking and research but are not definitive for personal infection status or immunity.
Short name
COVID-19 Antibody Screen (Qualitative)
Frequently asked questions
Will this test show if I had COVID-19 before?
What does a positive result mean?
Can I get this test if I’m vaccinated?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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