Test Code IGG Immunoglobulin G (IgG) LAB71
Test Method
Immuno-Turbidimetric Method; Beckman DXC600
Specimen Requirement
1 mL of serum required.
Additional Specimen Collection Information
Collect blood in a red-top or serum gel (SST) tube.
Serum
should be separated from contact with the cells within 2 hours
of
collection. Specimens not centrifuged within 4 hours of
collection
may be rejected. Refrigerate the specimen if unable to assay
within
8 hours of collection. If samples are stored from more than 48
hours they should be frozen at -15 to – 20 C. Samples with
>3+
lipemia will be rejected.
Reference Values
0 – <5 months: 100-334 mg/dL
5 – <9 months: 164-588 mg/dL
9 – <15 months: 246-904 mg/dL
15 – <24 months: 313-1170 mg/dL
2 – <4 years: 295-1156 mg/dL
4 – <7 years: 386-1470 mg/dL
7 – <10 years: 462-1682 mg/dL
10 – <13 years: 503-1719 mg/dL
13 – <16 years: 509-1580 mg/dL
16 – <18 years: 487-1327 mg/dL
≥ 18 years: 767-1590 mg/dL
Performance
Testing is performed Monday through Sunday.
Routine: Typically 4 hours after the specimen arrives at
testing
site.
Expedite/STAT: Typically 1 hour after the specimen arrives
at
testing site.
Useful For
Detecting or monitoring of monoclonal gammopathies and
immune
deficiencies
LOINC Code Information
2465-3 IgG [Mass/Volume] In Serum Or Plasma
CPT Code Information
82784 Chemistry: Gammaglobulin (immunoglobulin); IgA, IgD,
IgG,
IgM, each