Specimen Requirements

Title

IMMUNOFIXATION QNT (IgA, IgG, IgM) SERUM

Specimen Requirement

2 mL serum from SST or Red Top. If collecting SST, allow to clot for 30 minutes, then centrifuge.

Methodology

Electrophoresis followed by immunodiffusion against monospecific antisera to immunoglobulin and individual heavy and light chains (IFE); turbidimetric quantitation of IgA, IgG, and IgM

Stability

Room temp: 14 days, Refrigerated: 14 days, Frozen: 14 days

Reference Range

By Report*

Turnaround

3-5 days

Clinical Use

Detect and identify monoclonal immunoglobulin gammopathies

Test Code

IFIX