Days Set Up
Analytic Time

1 day

Soft Order Code

Test Updated:


Salivary Immunoglobulin
Salivary Immunoglobulin
IgA, Salivary
IgA, Salivary

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Test Overview

Test Methodology

Quantitative Nephelometry

Test Usage

Aids in diagnosis of immunodeficiencies.

Reference Range

Male: 4.0-24.0 mg/dL; Female: 5.0-28.0 mg/dL.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements


Collect saliva. Centrifuge and separate to remove cellular material. Transfer to a clean plastic transport tube and refrigerate.

Normal Volume
1 mL saliva
Minimum Volume
0.4 mL saliva

Billing Information

CPT Code
Pro Fee Code

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.