Chronic Urticaria Panel 2 (Comprehensive)
Test code
CPT code(s)*
Test resources
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Details
Includes
Histamine Release (Chronic Urticaria)
Thyroid Peroxidase Antibodies (TPO)
Thyroglobulin Antibodies
TSH
IgE Antibody (Anti-IgE IgG)
Methodology
See individual tests
Assay category
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Specimen requirements | |
|---|---|
| Patient preparation | Patients taking calcineurin inhibitors should stop their medication for 72 hours prior to draw. Specimen collection after fluorescein dye angiography should be delayed for at least 3 days. For patients on hemodialysis, specimen collection should be delayed for 2 weeks after angiography. According to the assay manufacturer Siemens: samples containing fluorescein can produce falsely depressed values. |
| Preferred specimen(s) | 6 mL serum collected in a red-top (no gel) |
| Minimum volume | 3 mL |
| Collection instructions | Serum should be separated from the cells as soon as possible after visible clot formation (usually 15-30 minutes after collection). |
| Transport container | Transport tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days |
| Reject criteria | Gross hemolysis • Moderate hemolysis • Lipemia • Icteric specimen • Serum separator tube (SST) • Sample other than serum • Heavy visible particulate matter |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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