IMMUNOGLOBULIN G SUBCLASSES PANEL

Test Code: T320

Specimen Collection: Serum

Component:
IgG Subclass 1
IgG Subclass 2
IgG Subclass 3
IgG Subclass 4
IgG Total

Method:
NEPH
NEPH
NEPH
NEPH
NEPH

Collection Notes: Serum is the recommended sample type. Grossly hemolyzed or grossly lipemic specimens are not acceptable.

Clinical Utility: A deficiency of IgG subclasses is often observed in patients with recurring infections of the upper and lower respiratory passages. IgG subclass 4 is used to evaluate sinopulmonary infections, asthma.

CPT Code: 82784 and 82787 x 4

Testing Location: Sent to reference lab

Specimen/Stability Type

Serum (1 mL)

Temperature:

Ambient 72 Hours

Refrigerated 7 Days

Frozen 3 Months

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