IgG Subclasses

Test investigation

IgG Subclasses

Laboratory offering test

NNUH

Units

g/L

Also known as/Frequency of test

IgG subsets; Subclasses; IgG4

Indications

IgG can be split into 4 subclasses, IgG2 can be associated with but not diagnostic of primary immunodeficiency disorders. IgG4 related disease can show high/fluctuating levels of IgG4. Both conditions are primarily clinical diagnoses.

Sample type

Serum

Turnaround times (TAT) Urgent/Routine/GP or OPD

1 week