Sign in →

Browse by Name

  1. A
  2. B
  3. C
  4. D
  5. E
  6. F
  7. G
  8. H
  9. I
  10. J
  11. K
  12. L
  13. M
  14. N
  15. O
  16. P
  17. Q
  18. R
  19. S
  20. T
  21. U
  22. V
  23. W
  24. X
  25. Y
  26. Z
  27. #
 

Certificates and Licensures:

AABB Certificate

CLIA Certificate- Anschutz

CAP Certificate- Anschutz

 

Lab Requisitions:

Biochemical Genetics

 

Electron Microscopy

 

Flow Cytometry and Immunology

 

General Core Lab

 

Immunophenotyping and Immune Function

 

Microbiology

 

Mitochondrial Lab

 

Precision Diagnostics-Inherited Genetics Disease

 

Precision Diagnostics- Oncology and Chimerism STR

 

Special Specimen Collection and Handling: 

Biochemical Genetics Specimens

 

Mitochondrial Specimens

 

Precision Diagnostics Inherited Genetics Disease, PRENATAL Specimens

 

Precision Diagnostics- Inherited Genetic Disease Specimens

 

Stool Collection Guide- ENGLISH

Stool Collection Guide- SPANISH

Stool Collection Container Reference Guide

 

Other Resources:

Microbiology Swab Guide

2025 Client Fee Schedule

Terms and Conditions

Mayo Clinic Laboratories

Test Code PEANT Peanut, IgE with Reflex to Peanut Components, IgE, Serum

Useful For

Evaluating patients with suspected peanut allergy

 

Evaluating patients with possible peanut cross-reactivity

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
PNTCP Peanut Components, IgE, S No No

Testing Algorithm

Testing begins with analysis of peanut IgE. If peanut IgE is negative (<0.10 kU/L), testing is complete.

 

If peanut IgE is 0.10 kU/L or greater, then 7 peanut components (Ara h 2, Ara h 1, Ara h 3, Ara h 6, Ara h 8, Ara h 9, and profilin Bet v2) are performed at an additional charge.

Method Name

Fluorescent Enzyme Immunoassay (FEIA)

Reporting Name

Peanut Component Reflex, S

Specimen Type

Serum


Ordering 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: 2 mL

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


Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 14 days
  Frozen  90 days
  Ambient  7 days

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

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 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

CPT Code Information

86003

Forms

If not ordering electronically, complete, print, and send an Allergen Test Request (T236) with the specimen.