Specimen: 2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen. Overnight fasting is preferred.
Stability (Room): 8 hrs
Stability (Refrigerated): 8 days
Stability (Frozen): 30 days
Price: Contact Medilab
Turnaround time (TAT): 10 – 15 days
Usage: This test is specially useful in patients with clinical evidence of Immunodeficiency with normal IgG levels in serum. IgG4 subclass comprises 4% of the Total IgG concentration in serum.
Disease: Immunodeficiency Disorders
Home Collection: Available
Pre-test Information: Overnight fasting is preferred.