Test Details

Mnemonic

GAUCH

Ordering Code

3515000

CPT-4 Code(s)

81251

Specimen Information

The following germline genetic tests from Quest require physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, OR, SD or VT or test is performed in MA.

Collect

Lavender EDTA

Specimen Preparation

Send 4.0 mL whole blood at room temperature in the original tube or in a screw capped plastic vial.

Alternate Specimen

Whole Blood: ACD yellow top tube, royal blue top, sodium or lithium heparin green tube.

Bone Marrow:
Collect and send 10.0 mL (10.0 mL minimum) bone marrow in a Lavender EDTA tube.

Minimum Volume

3.0 mL

Transport Temperature

Room temperature

Stability

Whole blood or bone marrow:
Room temperature: 8 days
Refrigerated: 8 days
Frozen: Unacceptable

Methodology

PCR, Net generation sequencing
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Reference Range

See report
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Performing Laboratory

Quest SJC
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