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HelpTest Code DAGR Dairy and Grain Allergen Profile, Serum
Reporting Name
Dairy and Grain Allergen ProfileUseful 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
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 |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumOrdering Guidance
For a listing of allergens available for testing, see Allergens - Immunoglobulin E (IgE) Antibodies
Specimen Required
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
For 1 allergen: 0.3 mL
For more than 1 allergen: (0.05 mL x number of allergens) + 0.25 mL deadspace
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Serum | Refrigerated (preferred) | 14 days | |
| Frozen | 90 days |
Special Instructions
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.
Day(s) Performed
Monday through Friday
Test Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86003 x 5
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| DAGR | Dairy and Grain Allergen Profile | 49222-3 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| EGG | Egg White, IgE | 6106-9 |
| MILK | Milk, IgE | 6174-7 |
| OATS | Oat, IgE | 6190-3 |
| SOY | Soybean, IgE | 6248-9 |
| WHT | Wheat, IgE | 6276-0 |
Report Available
1 to 3 daysReject Due To
| Gross hemolysis | OK |
| Gross lipemia | OK |
Method Name
Fluorescence Enzyme Immunoassay (FEIA)
Forms
If not ordering electronically, complete, print, and send an Allergen Test Request (T236) with the specimen.