Test Name
CGH Microarray Analysis
Test Code
CGH*
Associations
Unexplained intellectual disability, developmental delay, autism, dysmorphic features or other phenotypic anomalies; suspicion of chromosomal abnormality or microduplication / deletion syndrome with a normal karyotype
Determining the size of d
CPT Codes
81229
Turnaround Time
20-23 days
Specimen Requirements
5mL (min.3.0mL) whole blood in EDTA (lavender top) tube for DNA isolation AND 5mL (min. 3mL) whole blood collected in sodium heparin (green top) tube for metaphase chromosome isolation.
Storage & Handling
The specimen should be kept at room temperature and delivered via overnight shipping. Do not freeze.
Causes for Rejections
Frozen sample
