Immunoglobulin G

Test Code
IGG


Alias/See Also
IGG
Chemistry


Preferred Specimen
Gold Top Tube


Minimum Volume
2 mL


Transport Temperature
Refrigerate


Specimen Stability
Room temperature (20 to 25°C): 7 days
Refrigerated (2-8°C): 7 days
Frozen (-20°C or colder): 6 months off gel


Methodology
Turbidimetric/Immunoturbidimetric

Setup Schedule
M-F


Report Available
TAT 1 - 2 days


Reference Range
700 - 1600 mg/dL


Performing Laboratory

Test performed at West Roxbury Chemistry Lab
Contact: Jonathan Dryjowicz-Burek 857-203-5973




Last Updated: November 21, 2025


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.