|Mnemonic: ||[CU IND PN]|
|Name: ||CU (Chronic Urticaria) Index Panel or Urticaria-Inducing Activity with Thyroid Antibodies and Stimulating Hormone|
|Specimen: ||3 mL serum from a Red top tube. Do not use GEL barrier tubes. Separate serum from cells within 2 hours of collection and freeze the sample.|
Patients taking calcineurin inhibitors should stop their medication 72 hours prior to the draw.
Patients on prednisone should be off of their medication 2 weeks prior to the draw.
Sample collected in serum separator tubes are unacceptable. Grossly hemolyzed or lipemic samples are unacceptable.
|Minimum Spec: ||1.5 mL|
|Ref Lab/Code: ||ARUP 2005415|
| Method: ||ExVivo Challenge/Histamine Analysis/Cell Culture|
--Anti-thyroid Peroxidase IgG
--Thyroid Stimulating Hormone (TSH)
|Processing Info: ||Send 2 samples:|
#1) 1 mL Frozen serum (minimum 0.5 mL)
#2) 1 mL Refrigerated serum (minimum 0.5 mL)
The first specimen is critical frozen. Separate specimens must be submitted for this panel.