Specimen

Fetal Sample (Amniotic or Chorionic Villus), Parental Samples (Whole Blood)

Collection Medium:

Minimum:

Fetal Sample:
 Amniotic Fluid (AF)    1 ml per week gestational age
 Chorionic Villus (CV)  10 mg clean villus
Parental Sample(s)      3 ml whole blood in EDTA tube

Delivery Instructions:

Deliver to laboratory immediately after collection.

Analytic Time:

Turnaround time for results is 4 to 7 weeks.

Reference Range:

Normal

Comments:

Fetal Sample:  Amniotic Fluid and Chorionic Villi samples must remain 
at room temperature at all times and be sent immediately after 
collection.  Place Amniotic Fluid in a sterile centrifuge tube.  Place 
Chorionic Villi Samples in transport tube containing enough tissue 
culture medium to cover the entire sample.   Do not allow tissue to 
become dry.

Fetal samples are to be delivered to the Cytogentics Laboratory, W101 
GH immediately after collection.  You must print, complete and submit 
the "Supplementary Informational Form for Prenatal FSHD Testing " 
with the requisition.

Parental samples are delivered to the Molecular Diagnostic laboratory 
BT 6004 GH.

Test
Limitations:

Contact the Cytogenetics Laboratory at 319-356-3877 and provide 
information on when fetal sample is going to be collected.

Methodology:

Southern Blot

CPT Code:

83890(x3), 83892(x6), 83894(x3), 83896(x3)
83897(x3), 83912(x3), 88235, 88240

See Additional Information:
Specimens Requiring Immediate Delivery