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Test ID FCUIP CU Index Panel

Method Name

Ex Vivo Challenge, Cell Culture and Histamine Analysis

Reporting Name

CU (Chronic Urticaria) Index Panel

Specimen Type

Serum Red

Draw blood in a plain, red-top tube(s). Allow to clot; then spin down and separate. Submit 3 mL serum refrigerated in a plastic vial.

 

Note:    1) Patients taking calcineurin inhibitors should stop medication 72 hours prior to draw.

            2) Patients taking prednisone should be off their medication 2 weeks prior to draw.

Specimen Minimum Volume

1.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 7 days
  Ambient  7 days
  Frozen 

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

 

The CU Index test is the second generation Functional Anti-FceR test. Patients with a CU Index greater than or equal to 10 have basophil reactive factors in their serum which supports and autoimmune basis for disease.

 

Day(s) Performed

Monday, Wednesday, Friday

Report Available

2 - 5 days

Performing Laboratory

Viracor-IBT Laboratories

Test Classification

This test was developed and its performance characteristics determined by Viracor-IBT Laboratories. It has not been cleared or approved by the FDA.

CPT Code Information

84443 – Thyroid Stimulating Hormone

86352 – Assay cellular function

86376 – Microsomal antibodies

86800 – Thyroglobulin antibody

NY State Approved

Yes