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HelpTest Code NUTSP Nuts Allergen Profile, Serum
Reporting Name
Nuts Allergen ProfileUseful For
Establishing a diagnosis of an allergy to nuts
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 |
|---|---|---|---|
| ALM | Almond, IgE | Yes | Yes |
| SESA | Sesame Seed, IgE | Yes | Yes |
| PEAN | Peanut, IgE | Yes | Yes |
| PEC | Pecan-Food, IgE | Yes | Yes |
| CCNT | Coconut, 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: 0.5 mL for every 5 allergens requested
Collection Instructions: Centrifuge and aliquot serum into a plastic vial.
Specimen Minimum Volume
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 |
|---|---|---|
| NUTSP | Nuts Allergen Profile | 63486-5 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| ALM | Almond, IgE | 6019-4 |
| CCNT | Coconut, IgE | 6081-4 |
| PEAN | Peanut, IgE | 6206-7 |
| PEC | Pecan-Food, IgE | 6208-3 |
| SESA | Sesame Seed, IgE | 6242-2 |
Report Available
Same day/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.