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Test Code DAGRM Dairy and Grain Allergen Profile, Serum

Additional Codes

Mayo DAGR
Epic ID LAB5295

 

Specimen Type

Serum


Ordering Guidance


For a listing of allergens available for testing, see Allergens - Immunoglobulin E (IgE) Antibodies



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.7 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  90 days
UPH Waterloo Region Lab Test Catalog Note:

Transport refrigerated.

Reject Due To

Gross hemolysis OK
Gross lipemia OK

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Profile Information

Test ID Reporting Name Available Separately Always Performed
EGG Egg White, IgE Yes Yes
MILK Milk, IgE Yes Yes
WHT Wheat, IgE Yes Yes
OATS Oat, IgE Yes Yes
SOY Soybean, IgE Yes Yes

Useful For

Establishing a diagnosis of an allergy to dairy and grain

 

Defining the allergen responsible for eliciting signs and symptoms

 

Identifying allergens:

-Responsible for allergic response and/or anaphylactic episode

-To confirm sensitization prior to beginning immunotherapy

-To investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens

Day(s) Performed

Monday through Friday

Report Available

1 to 3 days

Reference Values

Class 

IgE kU/L 

Interpretation 

0 

<0.10 

Negative 

0/1 

0.10-0.34 

Borderline/equivocal 

1 

0.35-0.69 

Equivocal 

2 

0.70-3.49 

Positive 

3 

3.50-17.4 

Positive 

4 

17.5-49.9 

Strongly positive 

5 

50.0-99.9 

Strongly positive 

6 

≥100 

Strongly positive 

Reference values apply to all ages.

CPT Code Information

86003 x 5