✦ ADD-ON TEST
IgG subclass 4
IgG subclass 4 measurement is used in the evaluation of IgG4-related disease and certain immunodeficiency states.
Why a doctor may order this
To investigate suspected IgG4-related disease or subclass deficiency.
Why you may need this
Your doctor may recommend this based on your symptoms or risk factors. (To investigate suspected IgG4-related disease or subclass deficiency.)
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Frequently Asked Questions
To investigate suspected IgG4-related disease or subclass deficiency.
Your doctor may recommend this based on your symptoms or risk factors. (To investigate suspected IgG4-related disease or subclass deficiency.)
Open the Elab mobile app, choose your test, select a clinic, and complete payment securely inside the app.
Some blood tests require fasting. The Elab app and clinic team will show the relevant preparation instructions before sample collection.
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