Test Code LAB10539 Immunoglobulin G (IgG) Subclasses
Department
SEND OUTS
Reference Lab Test Number
IGSUB
Refer To
Primary Collection Container
Gold (SST)
Alternate Collection Container
Red (No Gel)
Transport
Serum refrigerated
Preferred Transport Temperature
Refrigerated
Processing
Centrifuge, separate and send 2.0 mL in a screw-capped plastic vial.
Stability
Ambient: Unacceptable
Refrigerated: 8 days
Frozen: Unacceptable
Minimum Testing Volume
0.5 mL
Reference Range
Years: IgG1 mg/dL IgG2 mg/dL IgG3 mg/dL IgG4 mg/dL
0-2 194-842 23-300 19-85 1-78
2-4 315-945 36-225 17-68 1-54
4-6 306-945 61-345 10-122 2-113
6-8 288-918 44-375 16-85 1-99
8-10 432-1020 72-430 13-85 2-93
10-12 423-1060 76-355 17-173 2-115
12-14 342-1150 100-455 28-125 4-136
14-18 315-855 64-495 23-196 11-157
>18 382-929 242-700 22-176 4-86
Methodology
Turbidity
Performed
Monday – Friday
Reported
4 Days
CPT Codes
82787 × 4
Unacceptable Conditions
Lipemia.
Additional Information
Components:
Includes IgG1, IgG2, IgG3, IgG4