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Lab Test Dictionary

Chronic Urticaria Panel 2 (Comprehensive) (90123)

Specimen Type


Performing Lab

Quest Diagnositcs San Juan Capistrano

Epic ID

Other Reference Test

Collection Information

Specimen Required

6-12 mL Blood

Container Type

Red Top (No Additive)

Collection Instructions

Overnight fasting is preferred. Patients taking calcineurin inhibitors should stop their medication for 72 hours prior to draw.

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=7 Days; Refrigerated=7 Days; Frozen=28 Days

Rejection Criteria

Moderate hemolysis; Lipemia; Icteric specimen; Serum separator tubes (SST); Sample other than serum; Heavy visible particulate matter

Test Volume Required

6 mL Serum

Minimum Test Volume

3 mL Serum

Included Tests

Histamine Release (Chronic Urticaria), Thyroid Peroxidase Antibodies (TPO), Thyroglobulin Antibodies, TSH and IgE Antibody (Anti-IgE IgG).

CPT Codes

83520, 84443, 86343, 86376, 86800