Test Details

Mnemonic

COSER

Ordering Code

3600202

CPT-4 Code(s)

86635 x 2

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells ASAP or within 2 hours of collection. Send 2.0 mL serum refrigerated in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.6 mL

Transport Temperature

Refrigerated

Rejection Criteria

Other body fluids. Hemolyzed, icteric, or lipemic specimens

Stability

Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 1 year

Methodology

Semi-quantitative Complement
Fixation/Qualitative Immunodiffusion
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Reference Range

None detected
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Performing Laboratory

ARUP Reference Laboratory
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