Sign in →

Test ID PEAN Peanut, IgE, Serum

Useful For

Establishing a diagnosis of an allergy to peanut

 

Defining the allergen responsible for eliciting signs and symptoms

 

Identifying allergens:

-Responsible for allergic disease 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

Highlights

Immunoglobulin E antibody to total peanut extract will be tested.

 

In vitro serum testing for IgE antibodies to total peanut extract provides an indication of potential immune response to peanut related allergens that may be associated with allergic disease.

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Reporting Name

Peanut, IgE

Specimen Type

Serum


Advisory Information


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



Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 0.5 mL for every 5 allergens requested


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
  Ambient  7 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

Concentrations ≥0.70 kU/L (Class 2 and above) will flag as abnormally high.

Day(s) and Time(s) Performed

Monday through Friday; 9 a.m.-8 p.m.

Saturday; 8 a.m.-3 p.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86003

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PEAN Peanut, IgE 6206-7

 

Result ID Test Result Name Result LOINC Value
PEAN Peanut, IgE 6206-7

Test Classification

This test has been cleared, approved or is exempt by the U.S. 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.

NY State Approved

Yes