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ID:107 IgG Subclasses
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DescriptionThere are four IgG subclasses the levels of which vary with age. In particular IgG2 and IgG4 may not reach adult levels until the age of ten.
IndicationAbnormal IgG subclasses are not sufficient for the diagnosis of antibody deficiency however can be in rare instances a useful adjunct in the investigation of suspected cases.
Additional InfoAll requests for IgG subclasses will be tested for IgG1, 2, 3 and 4 plus total IgG, IgA and IgM.
Concurrent Testsna
Dietary Requirementsna
InterpretationInterpret results in the context of the age-related reference ranges.

DepartmentClinical Immunology
SampleBlood
TubeSerum Gel
Tube Picture
Collection ConditionsNo restrictions
Min. Vol2 mL
Freq.Weekdays

Ref. Range (Male)See note
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesAge specific - see report form.
Unitsg/L
IP Acute TAT- Contact Laboratory
IP Routine TAT7 days
GP Acute TAT- Contact Laboratory
GP Routine TAT7 days
Turnround CommentNA

Originally edited by : JHB. Review due on 14/09/2018 14:29:29. Published By BD/GA on 14/09/2017 14:29:29.