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Test Code IGMN Immunoglobulin M, Cord or Neonate Blood

Specimen Type

Blood

Container

Mint green top with gel separator

Preferred Volume

4 mL

Availability

Monday – Friday 7:00 a.m. – 3:00 p.m.

Turnaround Time

24 – 72 hrs

STAT Availability

Not Available

Test Methodology

Immunoturbidimetry

CPT Code

82784

Test Includes

quantitative determination of IgM in plasma

Reference Range

In cord blood:    11-35 mg/dL 
Up to 1 month:   12-87 mg/dL

Critical Results

None

Test Limitations

It is known that the so-called paraproteins secreted in monoclonal gammopathies (monoclonal immunoglobulinemia) may differ from the respective immunoglobulins of polyclonal origin by amino acid composition and size. This may impair the binding to antibody and hence impair accurate quantitation.

Minimum Volume

2 mL

Fee Code

43059