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HelpTest Code MISC2MAYOWEED4 Weed Panel # 4
Reporting Name
Weed Panel # 4Useful 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.
Testing Algorithm
Includes testing for giant ragweed, short ragweed, and Western ragweed allergen.
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
SerumSpecimen 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 |
Special Instructions
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.
Test Classification
This test was developed using an analyte specific reagent. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.CPT Code Information
86003
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| WEED4 | Weed Panel # 4 | 73710-6 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| WEED4 | Weed Panel # 4 | 73710-6 |
Reject Due To
|
Hemolysis |
Mild OK; Gross OK |
|
Lipemia |
Mild OK; Gross OK |
|
Icterus |
NA |
|
Other |
NA |
Method Name
Fluorescence Enzyme Immunoassay (FEIA)
Forms
If not ordering electronically, complete, print, and send an Allergen Test Request Form (T236) with the specimen.