Allergen, Walnut IgE
Test Mnemonic
WALNUT
CPT Codes
- 86003 - QTY (1)
LOINC ®
6273-7
Aliases
- ALGN Walnut
- Black Walnut
- English Walnut
- RAST Walnut
- Walnut IgE
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Serum | SST (Gold) | Refrigerated | An extra 50uL will be required for each additional allergen ordered. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL | Plasma | Lithium heparin PST (Lt. Green) | |||
| 0.5 mL | Plasma | EDTA (Lavender) |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.3 mL | Submitting the minimum volume will not allow for repeat testing or addons. Required volume of 0.5mL is preferred when possible. |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 1 day |
| Refrigerated | 30 days |
| Frozen | 30 days |
Days Performed
Sun - Sat
Turnaround Time
1 - 2 days
Methodology
| Name | Description |
|---|---|
| Fluorescent Enzyme Immunoassay (FEIA) by ImmunoCAP |
Reference Range
| Allergen, Walnut IgE | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | < 0.35 | kU/L |
Special Info
An extra 50uL will be required for each additional allergen ordered.
Clinical Info
Specific evaluation of allergic reactions. IgE (kU/L) Interpretation:<0.35, Class 0 - Below Detection;0.35 - 0.69, Class 1 - Low;0.70 - 3.49, Class 2 - Moderate;3.50 - 17.49, Class 3 - High;17.50 - 49, Class 4 - Very High;50 - 99, Class 5 - Very High;>=100, Class 6 - Very High