Chromosomal Analysis
Epic Lab Code: CYT51
Downtime Form: C-12 Cytogenetics Request
Shivanand R. Patil Cytogenetics & Molecular Laboratory
Department of Pediatrics
W-101 GH
356-3877 (Laboratory)
Amniotic Fluid
Specimen Instructions:
Direct requests for performing the procedure (amniocentesis) to the Prenatal Clinic in the Department of Obstetrics and Gynecology (319-356-3561). Make arrangements with the Cytogenetics lab before sending the specimen. 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).
Specimen obtained by referring staff physician. Aseptically obtain 2 sterile 15 cc tubes (7-10 cc in each tube) of amniotic fluid. DO NOT FREEZE OR CENTRIFUGE. Send specimen at room temperature. Label tube with patient name and medical record number.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection.
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.
Turn Around Time:
Allow 10-12 days for results.
Reference Range:
Male: 46,XY Female: 46,XX
A repeat specimen will be requested if there is no cell growth after 10 days.

Questions regarding AFP testing and other prenatal screening tests, call the Prenatal Clinic (356-3561).

Shivanand R. Patil Cytogenetics & Molecular Laboratory Website
CPT Code:
88235, 88267, 88291
See also:
Chromosomal Analysis, Fetal Blood (Prenatal Diagnosis)
Fluorescence In-Situ Hybridization (FISH-Prenatal-Aneuploidy/Microdeletion), Amniocytes, Chorionic Villi
See Additional Information:
Cytogenetics and Molecular Testing