Item Value
Test name Prader-Willi/Angelman Syndromes
Available Stat? No
Turn around times 10-14 days
In House Availability Run 1x per week as needed, Wednesday or Friday, day shift only
Performed by Medical Genomics - Molecular Diagnostics
Normal range Negative
Container type Lavender top , Blue (citrate) and Yellow (ACD) tops acceptable
Amount to Collect 3 mL blood
Collection Instructions If collecting in citrate, check the expiration date on the label of the blue top vacutainer before drawing the patient.

Do not collect sample in heparin. Keep sample refrigerated for overnight or longer storage.

For UCSF Samples (from remote sites) Click here for sample collection instructions

For NON-UCSF Samples Click here for Requisition form & Account set-up instructions. Note we only do institutional billing.
Sample type EDTA Whole blood, Cultured amniocytes, Cultured chorionic villi

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