Test Details

Mnemonic

GBM

Ordering Code

3016100

CPT-4 Code(s)

83516

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum refrigerated in a screw capped plastic vial.

Alternate Specimen

Red top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly hemolyzed or lipemic specimens, plasma

Stability

Room temperature: 8 hours
Refrigerated: 2 days
Frozen: 14 days

Methodology

Enzyme Linked Immunosorbent Assay
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Reference Range

Negative: 0 - 20 Units
Weak Positive: 21 - 30 Units
Moderate to Strong Positive: >30 Units
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Performing Laboratory

Warde Medical Laboratory
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