Skip to content

Fluorescent Immunoassay for Anti-Fluoroquinolone Antibodies in Serum/Plasma

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

This test detects antibodies your immune system produces in response to fluoroquinolone antibiotics, a class of medications used to treat bacterial infections.

Quick summary

["Helps assess if your body has developed immunity after exposure to fluoroquinolone antibiotics."]

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

Key facts at a glance

LOINC
90457-3
Short code
FLUAV + FLUBV Pnl Tiss NAA+probe
Synonyms
FLUAV + FLUBV Pnl Tiss NAA+probe
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
probe-amp-tar
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 uses a fluorescent immunoassay to identify specific antibodies that target fluoroquinolone antibiotics. These antibodies are part of your immune response and can indicate past exposure to these medications.

Why It Might Be Ordered

Your healthcare provider may order this test if you’ve been exposed to fluoroquinolone antibiotics (such as ciprofloxacin or levofloxacin) and want to check if your immune system has produced protective antibodies.

Sample Collection and Preparation

Blood is drawn from a vein, usually in your arm. The blood is then processed to separate serum or plasma, which is sent to the lab for testing.

How Results Are Interpreted

Results are qualitative (positive or negative) and indicate whether antibodies were detected. A positive result suggests your body has developed immunity to fluoroquinolone antibiotics.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

This test is primarily used in research or specialized clinical settings to study immune responses to antibiotics. It may help evaluate immune memory after exposure but is not routinely used for diagnosis or treatment decisions.

Short name

Anti-Fluoroquinolone Antibody Test

Frequently asked questions

What does a positive result mean?
A positive result means your immune system has detected and produced antibodies against fluoroquinolone antibiotics, which may indicate prior exposure.
Does this test replace standard antibiotic testing?
No, this test is not used to diagnose infections or guide antibiotic treatment. It’s a research or specialized tool for studying immune responses.
How long does it take to get results?
Results are typically available within 24 to 48 hours, depending on lab processing times.
  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