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Test Code LAB166 Immunoglobulins (IgA, IgG, IgM)

Useful For

The detection of increased or decreased Immunoglobulin values:

  • IgA values are decreased in immune deficiency states, infancy, non-IgA myelomas, and protein-losing conditions. IgA values are increased in chronic infections, chronic liver disease, cirrhosis, and myeloma.
  • IgG values are decreased in immune deficiency states, non-IgG myelomas, and protein-losing conditions. IgG values are increased in chronic infections, liver disease, and myeloma.
  • IgM values are decreased in immune deficiency states, non-IgM myelomas, and protein-losing conditions. IgM values are increased in chronic infections, liver disease, cirrhosis, and Waldenströdm’s macroglobulinemia.

Profile Information

Test Code Test Name Methodology

Available

Separately

Always

Performed

LAB73

Immunoglobulin IgA Immunoturbidimetric Yes Yes
LAB71 Immunoglobulin IgG Immunoturbidimetric Yes Yes
LAB72 Immunoglobulin IgM Immunoturbidimetric Yes Yes

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL

Specimen Transport Temperature

Ambient/Refrigerated

Specimen Stability

Specimen Type Temperature Time
Plasma or Serum Ambient 2 months
  Refrigerated 4 months
  Frozen 6 months

Reference Values

See individual test listings.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82784x3