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Vaccination History for Influenza Virus (Flu)

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

This test checks whether you have received a flu vaccination, which helps protect against the flu virus.

Quick summary

["Determines if your flu vaccination history is recorded in your medical records."]

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

Key facts at a glance

LOINC
57208-1
Short code
INFLUENZAVIRUSVACCINATIONRECEIVED
Synonyms
—
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
cms-assessment
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

Why This Test Matters

This test is not a diagnostic or screening tool for the flu itself. Instead, it confirms whether your vaccination records have been updated to reflect your flu shot administration. It’s often used by healthcare providers to ensure you’re up-to-date on recommended immunizations.

What to Expect Before the Test

No special preparation is needed. You may receive this test as part of a routine check-in or during a vaccination visit. Your healthcare provider will document the result in your medical records.

What the Test Results Mean

If the result indicates you have received a flu vaccination, it means your vaccination history is recorded. If not, your provider may recommend getting vaccinated or reviewing your vaccination records.

Common Uses of This Test

Healthcare providers use this test to verify vaccination compliance, especially for patients in high-risk groups (e.g., elderly individuals, those with chronic illnesses). It helps ensure you’re protected against seasonal flu outbreaks.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

While this test doesn’t measure immunity levels, it ensures your vaccination records are accurate. Accurate vaccination history is critical for public health tracking, compliance with insurance requirements, and identifying patients who may need booster doses or additional protection.

Short name

Influenza Vaccination Status

Frequently asked questions

Does this test show if I have immunity to the flu?
No, this test only confirms whether your vaccination records have been updated. True immunity levels are assessed through antibody tests (e.g., flu antibody titers) if needed.
Can I get the flu even if I’ve had a flu shot?
Yes, while vaccines significantly reduce the risk of severe illness, they don’t always prevent infection entirely. The flu shot is the best way to lower your risk of getting sick.
How often should I get this test?
This test isn’t routinely recommended unless your provider specifically requests it for documentation or compliance purposes. Annual flu shots are the standard recommendation.
  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