Test Details
Mnemonic
CHR
Ordering Code
3470100
CPT-4 Code(s)
88230, 88262. Fee for assay attempted (88230).
Specimen Information
Collect
Green sodium heparin
Specimen Preparation
Send 5.0 mL whole blood at room temperature. Completed Warde Medical Laboratory Cytogenetics Test Requisition Genetic Disorders required.
Minimum Volume
3.0 mL
Transport Temperature
Room temperature
Rejection Criteria
Lithium heparin or frozen samples
Stability
Room temperature: 48 hours
Refrigerated: 48 hours
Frozen: Unacceptable
Refrigerated: 48 hours
Frozen: Unacceptable
Methodology
Cultures, staining and other techniques when required
Reference Range
Interpretive report
Performing Laboratory
Quest Ameripath
New York DOH Approval Status
Yes