Test Details
Mnemonic
CGH
Ordering Code
3470400
CPT-4 Code(s)
81229
Specimen Information
Collect
Green sodium heparin
Specimen Preparation
Send 10.0 mL heparin whole blood. Completed Warde Medical Laboratory Hematologic and Neoplastic requisition OR Cytogenetics Test requisition - Genetic Disorders required.
Alternate Specimen
Whole blood: Dark blue sodium heparin, lavender EDTA
Amniotic fluid: 20 mL, room temperature
Amniotic fluid: 20 mL, room temperature
Minimum Volume
3.0 mL
Transport Temperature
Room temperature
Rejection Criteria
Refrigerated or frozen whole blood
Stability
Room temperature: 10 days
Refrigerated: Unacceptable
Frozen: Unacceptable
Refrigerated: Unacceptable
Frozen: Unacceptable
Methodology
Oligo - SNP Array
Reference Range
See report
Performing Laboratory
Quest
New York DOH Approval Status
Yes