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Kale-Specific Immunoglobulin G (IgG) Antibody Test

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

A laboratory test that looks for IgG antibodies directed against kale. It is sometimes marketed for identifying food sensitivities.

Quick summary

["Detecting kale-specific IgG shows an immune response to kale but does not by itself diagnose food allergy or intolerance."]

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

Key facts at a glance

LOINC
100415-9
Short code
Kale IgG Qn
Synonyms
Kale IgG Qn
Category
tumor-marker
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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 is this test?

This test measures IgG antibodies that may form in response to exposure to kale. The abbreviated code does not clearly identify the specimen, laboratory method, or whether the result is qualitative or quantitative.

Why might I need this test?

A clinician or practitioner may order it to evaluate a suspected immune response to kale or to include kale in a broader food-antibody panel. Such panels are not generally considered confirmatory tests for food allergy.

How is the test performed?

If this is a blood-based test, a serum or plasma sample is analyzed in a laboratory for kale-specific IgG. The reporting laboratory can confirm the exact specimen, method, and result format from the full test order.

How do I prepare for the test?

No special preparation is usually required unless the ordering clinician gives specific instructions. Tell the laboratory if you have a known kale allergy, recently started immune-altering medication, or have a condition that affects antibody production.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Kale IgG antibody test

Frequently asked questions

Does a positive kale IgG result mean I am allergic to kale?
No. Food-specific IgG may be present in people without an allergy, so a positive result does not by itself diagnose clinical food allergy.
Can this test diagnose lactose intolerance or celiac disease?
No. Kale IgG testing is not a diagnostic test for lactose intolerance, celiac disease, or another specific gastrointestinal disorder.
What should I do with the result?
Discuss it with your healthcare professional, especially if you have symptoms after eating kale. Your symptoms, medical history, and any confirmatory allergy testing are more informative than IgG levels alone.
  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