Indications
Testing of peripheral blood is recommended for individuals with multiple congenital anomalies, mental retardation, developmental delay, dysmorphic features, sexual ambiguity, multiple miscarriages, infertility, fetal demise and gamete donor screening
Collection Procedure
Green top tube (sodium heparin). Label tube with patient’s name and date of birth. A completed test requisition form must be included with every sample. A transport kit is available upon request.
Specimen Requirements
5-10 ml whole peripheral blood
Specimen Container
Green top tube (sodium heparin)
Label tube with patient’s name and date of birth. A completed test requisition form must be included with every sample. A transport kit is available upon request.
Transport Temperature
Room temperature (DO NOT refrigerate, freeze or centrifuge)
Methodology
PHA stimulated culture of lymphocytes to identify both numerical and structural chromosome abnormalities
Causes for Rejection
Frozen specimen, clotted or hemolyzed, inappropriate collection tube
Turnaround Time
3-5 days