Test Details

Mnemonic

CGH

Ordering Code

3470400

CPT-4 Code(s)

81229

Specimen Information

Collect

Green sodium heparin
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Specimen Preparation

Send 10.0 mL heparin whole blood at room temperature. Completed Warde Medical Laboratory Hematologic and Neoplastic requisition OR Cytogenetics Test requisition - Genetic Disorders required.
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Alternate Specimen

Whole blood: Dark blue sodium heparin, lavender EDTA
Amniotic fluid: 20 mL, room temperature
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Minimum Volume

3.0 mL
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Transport Temperature

Room temperature
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Rejection Criteria

Refrigerated or frozen whole blood
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Stability

Room temperature: 10 days
Refrigerated: Unacceptable
Frozen: Unacceptable
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Methodology

Oligo - SNP Array
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Reference Range

See report
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Performing Laboratory

Quest Ameripath
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