IgG subclass 4
5 mL blood in gold tube or 0.3 mL separated serum.
0.3 mL serum
Mon - Fri, 0800 - 1630 excl. Public Holidays
Age related Reference Intervals - see attached.
IgG4, if specifically requested for IgG4-related disease will be measured however IgG subclasses are no longer performed at Waikato Immunopathology Laboratory because their role in the diagnosis of immune deficiency is extremely limited. If you want IgG subclasses or IgG4, please contact the laboratory to discuss this.