X-Inactivation Analysis
Forms
*Please open the forms in Adobe Acrobat before printing.
Billing Information and Turnaround Time
*Reflex testing options: Maximum cost is listed, although our lab only bills for the services performed. Final charge may be less than listed price, but cannot be determined until the testing has been completed.
| Name of Test | Turnaround Time | Cost | CPT Codes |
|---|---|---|---|
| X-Inactivation Analysis: Individual | 3-4 weeks | $500 | 81401 |
| X-Inactivation Analysis: Individual and Parent(s) | 3-4 weeks | $720 | 81401x3 |
Sample Requirements
- We require 2 EDTA tubes (lavender top) of blood – approximately 4 mL per tube
- For a newborn sample, obtain 2 EDTA tube (lavender top) of blood – approximately 1-2 mL per tube
- Label each tube with the patient’s name, date sample was obtained, and patient’s date of birth
- We accept banked or recently extracted DNA; please include the concentration. Please call the laboratory to inquire about the amount needed for testing.
Please see our prenatal section for information on prenatal requirements.
Shipping Instructions
Shipping Sample:
Ship at room temperature via Federal Express or other overnight courier that guarantees AM delivery to arrive Monday-Friday. There is no one in the laboratory evenings and weekends to receive samples. If sample is drawn on a Friday, please refrigerate it until shipment on the following business day.
Shipping Address:
Genetic Diagnostic Laboratory
University of Pennsylvania
Room 560 Clinical Research Building
415 Curie Boulevard
Philadelphia, PA 19104