Test Name
IgG4 (IgG, SUBCLASS 4)
Aliases
IMMUNOGLOBULIN G, SUBCLASS 4
Abbreviations
IGG4
Test Classification
INDIVIDUAL
Department
SPECIAL CHEMISTRY
Sub Department
-
TAT Category
ELAPSED (CONTINUOUS) TIME
Estimated TAT
7
TAT Units
DAYS
Test Requirements
2mL serum separated within 1 hour after collection.
Clinical Utility
Diagnosis of IgG4-related diseases e.g. autoimmune pancreatitis, inflammatory orbital pseudotumor, sclerosing siladenitis etc.
Last Review
26th Feb 2026