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IMMUNOGLOBULIN IGG SUBCLASS 4

  7000

Special Instruction : Overnight fasting is preferred.

Parameters covered : 1

Report Frequency : Sample Tue / Fri by 9 am; Report Same day

Home Collection

Lab Visit

Price applicable for Home Collection orders only.

Overview

What is IMMUNOGLOBULIN IGG SUBCLASS 4 ?

Immunoglobulins are proteins produced by plasma cells, a type of white blood cells and are an important part of your defense system. There are 5 types of immunoglobulins namely IgG, IgM, IgA, IgE & IgD. Immunoglobulin G is an important component of your defense system & constitutes 80% of the total immunoglobulins in your body. It is divided into 4 subclasses namely IgG1, IgG2, IgG3 & IgG4 of which 65% is IgG1. IgG4 comprises 4% of the total IgG in your body. This is a useful test when you have symptoms of immunodeficiency but your total IgG levels are normal.

Parameters

1.  IMMUNOGLOBULIN IgG SUBCLASS 4 (IgG4) SERUM

Doctor Information

Pre-test Information

Overnight fasting is preferred.

Report Delivery

Sample Tue / Fri by 9 am; Report Same day

Code

B190

Category

Immunodeficiency Disorders

Stability Room

8 hrs

Stability Refrigerated

8 days

Stability Frozen

30 days

Method

Nephelometry

Specimen

2 mL (1 mL min.) Serum from 1 SST. Ship refrigerated or frozen. Overnight fasting is preferred.

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.

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