Specimen

Fetal Blood (Prenatal Diagnosis)

Minimum:

1-2 cc blood collected in a green-top vacutainer with sodium heparin. 
Invert tube to mix well.  Label the tube with patient name and medical 
record number. DO NOT FREEZE OR CENTRIFUGE. Specimen should be obtained 
by the referring staff physician.

Delivery Instructions:

Submit specimen to laboratory as soon as possible after collection.

Specimen
Instructions:

If a specimen is collected over the weekend, please page the 
technologist on call by dialing 1-888-533-0186.  When it stops ringing, 
enter your phone number, the '#' sign, and hang up.  Provide details of 
clinical information and family history (if applicable).

Testing Schedule:

Specimens accepted in the lab Monday-Friday, 0800-1700.  After hours 
specimens should be taken to specimen control and a message left on the 
lab voice mail.  In the case of an emergency, follow the instructions 
on the lab voice mail.

Analytic Time:

Preliminary results are given for STAT cases within 24-72 hours. Allow 
7 days for the final results.

Reference Range:

Male: 46,XY     Female: 46,XX

Comments:

Cytogenetics Laboratory Web Site

CPT Code:

88230, 88262

See Additional Information:
Cytogenetics Testing