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Test ID SESPF Sesame Seed, IgE, with Reflex to Sesame Seed Component, IgE, Serum

Method Name

Fluorescent Enzyme Immunoassay (FEIA)


Ordering Guidance


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



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.6 mL

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


Reporting Name

Sesame Seed Component Reflex, S

Specimen Type

Serum

Specimen Stability Information

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

Report Available

Same day/1 to 3 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

LOINC Code Information

Test ID Test Order Name Order LOINC Value
SESPF Sesame Seed Component Reflex, S 6242-2

 

Result ID Test Result Name Result LOINC Value
SESA1 Sesame Seed, IgE, S 6242-2

Forms

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

Useful For

Evaluating patients with suspected sesame seed allergy

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
SESPR Sesame Seed Component, IgE, S No No

Testing Algorithm

Testing begins with analysis of total sesame seed IgE. If the sesame seed total IgE result is negative (<0.10 kU/L), testing is complete.

 

If the sesame seed total IgE result is 0.10 kU/L or more, then sesame seed component (Ses i 1) testing will be performed at an additional charge.

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

Specimen Minimum Volume

0.4 mL

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.