Item Value
Test name Chromosome Analysis, Amniotic Fluid (includes Alpha-fetoprotein, amniotic fluid)
Available Stat? No
Turn around times 7-14 days
In House Availability Set up daily, Monday-Friday
Performed by Medical Genomics - Cytogenetics & China Basin Chemistry
Normal range 46,XY normal male
46,XX normal female
Container type Sterile centrifuge tube with screw cap, polypropylene preferred.
Amount to Collect 30 mL amniotic fluid
Collection Instructions Sample is to be collected in two 15 mL orange screw top polypropylene tubes. Discard first 2 mL of fluid, and then add 15-25 mL to two tubes.

If the sample is grossly bloody, or the sample volume is < 10 mL the results may be inconclusive and a repeat sample will be requested.

Complete and submit a "UCSF Reproductive Genetics Lab Results" or a "UCSF Cytogenetic Requisition" form and send with the samples.

Click here for Cytogenetics Requisition

Keep samples at Room temperature. DO NOT centrifuge.
Sample type Amniotic fluid

If you have additional questions regarding this test, please call: 415-353-1667