Specimen Requirements

Tests and Compatible Specimen Types

All tests provided by GeneDx are listed in column 1. The specimen types that can or cannot be used for each test are indicated.
Click on the headers for more technical information on Quantity, Stability, Excluded Tests, Shipping and Handling.
In addition, see the main Tests Offered menu for an Information Sheet on each Test/Gene, with requirements and shipping conditions for that test's most typical specimen types, as well as indications, prices and CPT codes.

	EDTA Blood including cord blood	GeneDx Buccal Brush Kit for patients age >6 mo	DNA	Amniocytes, CVS; Fresh or Cultured	Other Cultured Cells	Other Tissue, POC click to see
Any Conventional DNA Sequencing Test	YES	YES but some genes are excluded See Here	YES	YES, if indicated based on ultrasound Findings See Below	YES	CALL or email first
Affymetrix Resequencing Array	YES	NO	YES see specific specimen requirements	See above (Direct amniotic fluid NOT accepted!)	YES	CALL or email first
Next Generation Sequencing	YES	NO	YES see specific specimen requirements	NO	YES	CALL or email first
GenomeDx OligoArray CGH	YES	NO	YES see specific specimen requirements	Limited to known familial abnormalities, call or email first	YES	CALL or email first
ExonArrayDx	YES	NO	YES see specific specimen requirements	CALL or email first	YES	CALL or email first
CopyDx qPCR and/or MLPA	YES	NO	YES see specific specimen requirements	CALL or email first	YES	CALL or email first