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Test ID FFPG4 Food Panel IgG4 (532)

Specimen Required

Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 1 mL of serum refrigerated in a plastic vial.

Method Name


Reporting Name

Food Panel IgG4 (532)

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 28 days
  Frozen  365 days
  Ambient  7 days

Reference Values

Reference ranges have not been established for food-specific IgG4 tests. The clinical utility of food-specific IgG4 tests has not been clearly established. These tests can be used in special clinical situations to select foods for evaluation by diet elimination and challenge in patients who have food-related complaints, and to evaluate food allergic patients prior to food challenges. The presence of food-specific IgG4 has been studied in response to various oral food immunotherapy treatments but cutoffs have not been established.

Day(s) Performed

Monday through Friday

Report Available

3 to 7 days

Performing Laboratory

Eurofins Viracor

Test Classification

This test was developed and its performance characteristics determined by Viracor Eurofins. It has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

86001 x 8


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FFPG4 Food Panel IgG4 (532) Not Provided


Result ID Test Result Name Result LOINC Value
Z4353 Corn IgG4 56231-4
Z4354 Egg White IgG4 56253-8
Z4355 Egg Yolk IgG4 56254-6
Z4356 Milk Cow IgG4 56234-8
Z4357 Peanut IgG4 56351-0
Z4358 Soybean IgG4 56390-8
Z4359 Wheat IgG4 56417-9
Z4360 Yeast(Saccharomyces cerevisiae)IgG4 56449-2

NY State Approved