Skip to content

: Egg Yolk IgG Antibody Panel, Serum/Plasma

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

: This panel measures IgG antibodies against egg yolk proteins in a serum or plasma sample, typically by immunoassay, to help evaluate a possible immune reaction to egg components.

Quick summary

[": An egg-yolk IgG result is interpreted alongside your symptoms and other tests, not as a standalone diagnosis."]

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

Key facts at a glance

LOINC
102115-3
Short code
Epid Allerg Mix IgE pl SerPl
Synonyms
Epid Allerg Mix IgE pl SerPl
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 looks for immunoglobulin G (IgG) antibodies that bind to proteins found in egg yolk. Antibody levels can reflect past or ongoing exposure to egg proteins, but they do not by themselves confirm allergy or intolerance.

: Why It May Be Ordered

: A clinician may order this test when a reaction to egg-containing foods is being investigated, often as part of a broader allergy or food-sensitivity workup. It is generally used with history, physical exam, and other allergy tests.

: How the Sample Is Collected

: A small blood sample is drawn from a vein, usually in the arm, and the serum or plasma is separated for testing. No special preparation is typically required unless your care team gives other instructions.

: What the Results Mean

: Results are usually reported as antibody levels or as positive, negative, or equivocal, depending on the laboratory. Because reference ranges and methods vary, your clinician will interpret the result in the context of your symptoms and other findings.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

: IgG antibodies to egg yolk are not the same as IgE allergy testing and are not used alone to diagnose egg allergy. A positive result may indicate exposure rather than clinical allergy, and a negative result does not rule out all reactions; interpretation should always involve a qualified clinician.

Short name

: Egg Yolk IgG

Frequently asked questions

: Is this the same as an egg allergy test?
: Not exactly. Standard egg allergy testing usually measures IgE antibodies or uses skin testing, while this panel measures IgG to egg yolk proteins. The two tests answer different questions and are interpreted differently.
: Do I need to fast before this test?
: Fasting is usually not required for this type of antibody test, but follow any instructions from your ordering clinician or laboratory.
: Can I use this result to decide whether to avoid eggs?
: No. Do not change your diet based on this result alone. Discuss the result with your clinician, who can consider your symptoms, other tests, and whether dietary changes are appropriate.
  1. 1
  2. 2
  3. 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.

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