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HelpTest Code LAB604 Allergen Walnut IgE
Additional Codes
Al Walnut
Clinical System Name
Allergen Walnut IgE
Synonyms
RAST IgE Walnut
Walnut IgE Allergen
Black Walnut IgE Allergen
English Walnut IgE Allergen
Sample Requirements
Specimen:Whole Blood
Container(s):Gold Top SST, Red
Preferred Vol:2 mL
Minimum Vol:1 mL
Note:
Processing Instructions
Reject due to:
Spin:Y
Aliquot:Y
Temp:2 - 8 C
Storage location:CPA Refrigerator, FrigC rack, with requisition
Off-site collection: Spin blood and refrigerate serum aliquot with requisition
Note: Each additional allergen requires 50mcL in addition to the inital 0.3mL. 10 allergens would require 0.8 mL minimum volume.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| serum | Room temp | |
| Refrigerated | 7 d | |
| Frozen | 6 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | M, W, F | 2-4 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem East
Phone Number: (206) 987-3694
CPT Codes
86003
Methodology
Method: 3rd generation Chemiluminescent Immunoassay on Siemens Immulite 2000 XPI
Analytical Volume: 0.3 mL
Limitations:
Reference Range
|
Class |
IgE kU/L |
Allergen Reactivity |
|
0 |
<0.35 |
Negative |
|
1 |
0.35-0.69 |
Low |
|
2 |
0.70-3.49 |
Moderate |
|
3 |
3.50-17.49 |
High |
|
4 |
17.50-52.49 |
Very High |
|
5 |
52.5-99.9 |
Very High |
|
6 |
>100 |
Very High |