Allergens, Inhalants, California Environmental
Also known as: CA ENV PAN
Use
This test is used to quantify the levels of allergen-specific IgE antibodies to various inhalants and environmental allergens prevalent in California. It aids clinicians in diagnosing allergic reactions and formulating management plans for patients who present with conditions suggestive of allergic rhinitis, asthma, or other IgE-mediated hypersensitivity reactions. Results need to be interpreted with clinical history and in vivo reactivity for comprehensive allergy management.
Special Instructions
Avoid multiple patient encounters when collecting specimens to ensure consistency of data. Follow specimen collection instructions to ensure accuracy and reliability. Use serum separator tubes for collection and transfer serum to designated transport tubes promptly to maintain sample integrity. Note that results in the 0.10-0.34 kU/L range are for specialist use only, as clinical relevance is undetermined and requires correlation with clinical history.
Limitations
This test uses quantitative ImmunoCAP fluorescent enzyme immunoassay to measure IgE concentrations. However, test results may not directly correlate to clinical symptoms. Several factors, such as history of allergen exposure or cross-reactivity, must be considered. A negative result does not exclude clinical allergy or anaphylaxis because sensitivities may vary. The significance of low-level IgE is undetermined and should be interpreted cautiously. Diagnostic accuracy requires validation with additional clinical findings or skin testing.
FDA ApprovedNew York Approved
Methodology
Immunoassay (Fluorescent Enzyme Immunoassay)
Biomarkers
LOINC Codes
- 6020-2
- 6833-8
- 48767-8
- 6096-2
- 9828-5
- 6098-8
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.65 mL
Minimum Volume
0.4 mL
Container
ARUP Standard Transport Tube
Collection Instructions
Collect in serum separator tube and separate serum from cells ASAP or within 2 hours of collection.
Patient Preparation
Multiple patient encounters should be avoided.
Storage Instructions
Refrigerated.
Causes for Rejection
Hemolyzed, icteric, or lipemic specimens.
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 48 hours |
| Refrigerated | 2 weeks |
| Frozen | 1 year |