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Test ID FMCG4 Milk Cow IgG4

Method Name

Enzyme Immunoassay (FEIA)

Reporting Name

Milk Cow IgG4

Specimen Type

Serum


Specimen Required


Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
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) and Time(s) Performed

Monday, Wednesday, Friday

Performing Laboratory

Viracor Eurofins

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 

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FMCG4 Milk Cow IgG4 56234-8

 

Result ID Test Result Name Result LOINC Value
FMCG4 Milk Cow IgG4 56234-8

NY State Approved

No