IgM | Test Detail | Quest Diagnostics

IgM

Test Code

545

CPT Code(s)

82784

Test Code

545

CPT Code(s)

82784

In-home collection may be available in your area for purchase through Quest Mobile.

Clinical Significance

IgM - Increased IgM is associated with Waldenström's macroglobulinemia, infectious mononucleosis, viral infections, nephrotic syndrome, and estrogen therapy; decreased IgM is found in selective IgM deficiency, Bruton's Disease, and acquired immune deficiency.

Test Resources

None found for this test
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Test Details

Methodology

Immunoturbidimetric

Reference Range(s)

Cord Blood

6-25 mg/dL

1-28 days

10-50 mg/dL

1-3 months

10-72 mg/dL

4-6 months

12-86 mg/dL

7-11 months

13-120 mg/dL

1 year

23-130 mg/dL

2 years

25-135 mg/dL

3-5 years

26-150 mg/dL

6-8 years

25-150 mg/dL

9-11 years

40-160 mg/dL

12-16 years

41-170 mg/dL

≥17 years

50-300 mg/dL

Alternative Name(s)

Immunoglobulin M

LOINC® Codes, Performing Laboratory

Service Area must be determined

Methodology

Immunoturbidimetric

Reference Range(s)

Cord Blood

6-25 mg/dL

1-28 days

10-50 mg/dL

1-3 months

10-72 mg/dL

4-6 months

12-86 mg/dL

7-11 months

13-120 mg/dL

1 year

23-130 mg/dL

2 years

25-135 mg/dL

3-5 years

26-150 mg/dL

6-8 years

25-150 mg/dL

9-11 years

40-160 mg/dL

12-16 years

41-170 mg/dL

≥17 years

50-300 mg/dL

Alternative Name(s)

Immunoglobulin M

LOINC® Codes, Performing Laboratory

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Transport Container

Serum separator tube (SST)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 90 days

Reject Criteria

Gross hemolysis • Grossly lipemic • Grossly icteric

Setup Schedule, Transport Temperature

Service Area must be determined

Preferred Specimen(s)

1 mL serum

Minimum Volume

0.5 mL

Transport Container

Serum separator tube (SST)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 7 days
Frozen: 90 days

Reject Criteria

Gross hemolysis • Grossly lipemic • Grossly icteric

Setup Schedule, Transport Temperature

Service Area must be determined

In-home collection may be available in your area for purchase through Quest Mobile.

Test Details

Clinical Significance

Test Resources

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.

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