This test may assist with the detection of common chromosome abnormalities
5.0 mL Whole Blood in a Green Top Tube - Na Heparin
3.0 to 5.0 mL Whole Blood in Tan Top Tube(s) - Na Heparin
Other vacutainer tubes containing sodium heparin are acceptable.
Ambient (transport)
Specimen viability decreases during transit. Send specimen to testing lab for viability determination
Clinical history and reason for referral are required with test order
Do not Centrifuge
30 mL is preferred if other testing, e.g., microarray, FISH, is ordered
1.0 mL Whole Blood
0.5 mL Whole Blood
Refer to Interpretive Results
This test may be replaced by Chromosome Analysis, Blood, No Growth if cultures do not yield metaphases for analysis or by Cytogenetics Communication, if a communication is required.
This test may assist with the detection of common chromosome abnormalities
10 days
00918618; 00918619
88230, 88262