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Test Code PEAN Peanut, IgE, Serum

Additional Codes

ALAB: YGQ

Powerchart: Allergen Peanut IgE

MA Cerner: Peanut, IgE

Reporting Name

Peanut, IgE

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering Guidance


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) 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

MercyOne Laboratory Test Catalog Note:

If Medicare, 86003 is covered under a medical necessity rule; obtain an ABN.

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

Report Available

Same day/1 to 3 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Method Name

Fluorescence Enzyme Immunoassay (FEIA)