Days Set Up
Monday - Friday
Analytic Time

8 hours

MiChart Code
Immunoglobulin Quantitation (IgG, IgA, IgM)
Soft Order Code

Test Updated:


Globulins, Serum
Immunoglobulin G,A,M
Quantitative Immunoglobulins
Serum Immunoglobulins

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Test Overview

Test Methodology


Test Usage

To aid in identification of various immunodeficiency states and the evaluation of immunoproliferative disorders (polyclonal vs. monoclonal). More specifically, the levels are used to diagnose and classify disorders of humoral immunity; diagnose and monitor therapy in myeloma, macroglobulinemia of Waldenstrom and heavy chain disease; evaluate lymphoproliferative diseases, including lymphoma; evaluate primary biliary cirrhosis and other autoallergic liver disease, particularly chronic active hepatitis; evaluate amyloidosis.

Reference Range

IMMUNOGLOBULIN A: Cord blood (age <1 mos): 1 - 4 mg/dL, age 1 mos: 2 - 50 mg/dL, age 2-9 mos: 4 - 80 mg/dL, age 10-11 mos: 15 - 90 mg/dL, age 1-4 yrs: 15 - 160 mg/dL, age 5-11 yrs: 35 - 250 mg/dL, age 12-150 yrs: 40 - 350 mg/dL. IMMUNOGLOBULIN G: Cord blood (age <1 mos): 610 - 1540 mg/dL, age 1 mos: 240 - 870 mg/dL, age 2-5 mos: 170 - 670 mg/dL, age 6-9 mos: 210 - 870 mg/dL, age 10-11 mos: 280 - 1030 mg/dL, age 1 yr: 330 - 1160 mg/dL, age 2-3 yrs: 405 - 1160 mg/dL, age 4-5 yrs: 440 - 1190 mg/dL, age 6-150 yrs: 620 - 1520 mg/dL. IMMUNOGLOBULIN M: Cord blood (age <1 mos): 6 - 25 mg/dL, age 1 mos: 20 - 80 mg/dL, age 2-5 mos: 25 - 95 mg/dL, age 6-11 mos: 35 - 140 mg/dL, age 1-7 yrs: 40 - 190 mg/dL, age 8-11 yrs: 50 - 240 mg/dL, age 12-150 yrs: 50 - 370 mg/dL.

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

Specimen Requirements

Collection Onsite

Collect specimen in SST tube.

Collection Offsite

Collect specimen in SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate.
Store at 2-8°C up to 8 days.
Samples may be frozen at -20°C or below for up to 3 months if they are frozen within 24 hours after collection.

Yellow Top Tube
Normal Volume
0.5 mL serum
Minimum Volume
0.3 mL serum

Billing Information

CPT Code
82784 x3
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.