Chromosomal Analysis
Order form: Constitutional Genetics Pre and Post-Natal Requisition
Supply order: Supply Order Form
Billing: Billing Policies
CPT code: 88233, 88262, 88291
Specimen(s):
Product of Conception (POC)
Minimum:
Specimen obtained aseptically according to your protocol. DO NOT SEND INTACT FETUS. Send only tissue specimen to the lab (chorionic villi - first choice; skin, diaphragm, chorion). Multiple tissue sources are acceptable. DO NOT PUT SPECIMEN IN ALCOHOL OR FORMALIN OR FREEZE. Label tube with patient name and medical record number.
Testing Schedule:
Specimens accepted in the lab Monday-Friday, 0800-1700.
Turn Around Time:
Allow 3-6 weeks for final results.
Reference Range:
Male: 46,XY Female: 46,XX
Instructions:
For transport media, use Ham's F-10, RPMI or MEM. As a backup, Ringers lactate solution can be used in place of media. Do not put specimen in alcohol or formalin. Do not freeze or flame or refrigerate. If a specimen is collected over the weekend, please call (319) 356-1616 and ask the operator to page the cytogenetics on-call staff at pager #5525. Provide details of clinical information and family history (if applicable).

For billing and/or shipping questions, contact University of Iowa Diagnostic Laboratories at 1-866-844-2522 (toll free) or 319-384-7213 (Fax).
Sample Processing:
Submit specimen in transport media.
Relevant clinical information must be submitted with specimen in order to provide correct interpretation of test results.
Sample Storage:
Specimen cannot be frozen.
Transport Instructions:
Place specimen into zip-lock type bag, seal bag.
Ship at room temperature.
CPT Code:
88233, 88262, 88291