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HelpTEST ID FCUIP CU (Chronic Urticaria) Index Panel
Reporting Name
CU (Chronic Urticaria) Index PanelSpecimen Type
SerumSpecimen Required
Patient preparation: Patients taking calcineurin inhibitors should stop medication 72 hours prior to draw. Patients taking prednisone should be off their medication for 2 weeks prior to draw.
Specimen Type: Serum
Container/Tube: Red or SST
Specimen Volume: 3 mL
Collection Instructions: Draw blood in Red-top tube (SST is acceptable). Separate from cells within 2 hours of draw. Send 3 mL of serum refrigerate in a plastic vial.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 7 days | |
| Ambient | 5 days |
Method Name
Immunoassay; Ex Vivo Challenge; Cell Culture and Histamine Analysis
Reject Due To
| Hemolysis: | NA |
| Thawing: | Warm OK; Cold OK |
| Lipemia: | NA |
| Icterus: | NA |
| Other: | NA |
Reference Values
Anti-Thyroid Peroxidase IgG: <35 IU/mL
Anti-Thyroglobulin IgG: <40 IU/mL
TSH (Thyrotropin): 0.4-4.0 uIU/mL
CU Index: <10.0
Day(s) Performed
Monday, Wednesday, Friday
Report Available
2 to 9 daysPerforming Laboratory
Eurofins ViracorCPT Code Information
84443
86343
86376
86800