Indications For Chromosome Analysis

This blood test 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 cc (Adults) 2-5 cc (children) 1-2 cc (Infants or PUBS)

Specimen Container

Green top tube (sodium heparin)

Transport Temperature

Room temperature (DO NOT refrigerate, freeze or centrifuge)

Methodology

Laboratory testing is performed on a PHA stimulated culture of lymphocytes to identify both numerical and structural chromosome abnormalities

Causes for Rejection

Frozen specimen, clotted or hemolysed, inappropriate collection tube

Turnaround Time

3-5 days