T098

Test CODE NAME

T098

Immunoglobulin G Subclass 4

Methodology: Nephelometry
Performed: Mon-Sat
Reported: 2-4 days
Specimen Required: Collect: Serum Separator Tube (SST) OR Green (sodium or lithium heparin) - 1 ml serum or plasma.
Specimen Preparation: Allow specimen to clot completely at room temperature . Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer plasma to a Standard Transport Tube.
Storage/Transport Temperature: Refrigerated. 
Stability: After separation from cells: Ambient: 2 hours; Refrigerated: 7 day; Frozen: 1 month
Note: This test is approved for NY . 
Performing Lab 
ARUP Laboratory
CPT Code(s): 82787