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Test Code NUTHX Hazelnut-Food Components, IgE, Serum


Specimen Required


Only orderable as a reflex. For more information see NUTHR / Hazelnut-Food, IgE with Reflex to Hazelnut-Food Components, IgE, Serum.

 

Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

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


Useful For

Evaluation of patients with suspected hazelnut-food allergy to one of 4 hazelnut-food components

Testing Algorithm

If hazelnut-food specific total IgE is 0.10 kU/L or more, then testing for four hazelnut-food components (Cor a 1, Cor a 8, Cor a 9, Cor a 14) is performed at an additional charge.

Method Name

Only orderable as a reflex. For more information see NUTHR / Hazelnut-Food, IgE with Reflex to Hazelnut-Food Components, IgE, Serum.

 

Fluorescent Enzyme Immunoassay (FEIA)

Reporting Name

Hazelnut-Food Components, IgE, S

Specimen Type

Serum

Specimen Minimum Volume

0.6 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 14 days
  Frozen  90 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

Only orderable as a reflex. For more information see NUTHR / Hazelnut-Food, IgE with Reflex to Hazelnut-Food Components, IgE, Serum.

 

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

Concentrations of 0.70 kU/L or more (class 2 and above) will flag as abnormally high.

Reference values apply to all ages.

Day(s) Performed

Monday through Friday

Report Available

Same day/1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

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

86008 x 3

LOINC Code Information

Test ID Test Order Name Order LOINC Value
NUTHX Hazelnut-Food Components, IgE, S 63486-5

 

Result ID Test Result Name Result LOINC Value
INUTH Hazelnut-Food IgE Ab Interpretation 69048-7
A1COR Cor a 1 (Hazelnut-Food), IgE, S 69421-6
A8COR Cor a 8 (Hazelnut-Food), IgE, S 58753-5
A9COR Cor a 9 (Hazelnut-Food), IgE, S 65765-0
A14CO Cor a 14 (Hazelnut-Food), IgE, S 81788-2