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Test ID WEED2 Weed Panel # 2

Useful For

Testing for IgE antibodies may be useful to establish the diagnosis of an allergic disease and to define the allergens responsible for eliciting signs and symptoms.

 

Testing also may be useful to identify allergens which may be responsible for allergic disease and /or anaphylactic episode, to confirm sensitization to particular allergens prior to beginning immunotherapy, and to investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens.

Method Name

Fluorescence Enzyme Immunoassay (FEIA)

Reporting Name

Weed Panel # 2

Specimen Type

Serum


Specimen Required


Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Specimen Volume: 0.5 mL

Additional Information: See Allergens-IgE Antibodies in Special Instructions.


Specimen Minimum Volume

0.3 mL

Specimen Stability Information

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

Reference Values

Class

IgE kU/L

Interpretation

0

<0.35

Negative

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

Reference values apply to all ages.

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 Medical Laboratories in Rochester

CPT Code Information

86003

LOINC Code Information

Test ID Test Order Name Order LOINC Value
WEED2 Weed Panel # 2 24493-9

 

Result ID Test Result Name Result LOINC Value
WEED2 Weed Panel # 2 24493-9

Test Classification

This test has been cleared or approved 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.

Testing Algorithm

Includes testing for English plantain, lamb's quarters, mugwort, Western ragweed, and scale allergen.