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Test Code BLOD0628 Immunoglobulins (IgA, IgG, and IgM), Plasma or Serum

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.

Methodology

Nephelometric

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

Collection Instructions:

1. Label specimen as plasma or serum.

2. Avoid hemolysis and lipemia.

Specimen Transport Temperature

Refrigerated/Frozen

Specimen Stability

 

 

Specimen Type Temperature Time
Plasma or Serum Refrigerated 7 days
  Frozen 3 months

 

Additional Information

If specimen must be frozen for stability, freeze within 24 hours of draw.

Reference Values

See individual test listings.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

82784x3