Immunoglobulin G Subclass 4

Test Code
5428


Alias/See Also
LAB1745


Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Container
Plastic screw-cap vial


Transport Temperature
Refrigerated (cold packs)


Specimen Stability
Room temperature: 72 hours
Refrigerated: 10 days
Frozen: 30 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis • Lipemia


Methodology
Immunoturbidimetric Assay

Setup Schedule
Set up: Mon-Sat; Report available: 3-5 days




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.