Test ID: QUAD
Quad Screen (Second Trimester) Maternal, Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
81149
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
Useful For Suggests clinical disorders or settings where the test may be helpful
Prenatal screening for open neural tube defect (alpha-fetoprotein only), Down syndrome (alpha-fetoprotein, human chorionic gonadotropin, estriol, and inhibin A) and trisomy 18 (alpha-fetoprotein, human chorionic gonadotropin, and estriol)
Note: The use of these markers to screen for Down syndrome is not an approved U.S. Food and Drug Administration procedure.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Immunoenzymatic Assay
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
QUAD SCRN (2nd Tri) MATERNAL, S
Aliases Lists additional common names for a test, as an aid in searching
AFP 4 Marker Screen
AFP Maternal Screening
AFP Neural Tube Defects
E3 (Estriol)
Maternal Screening, AFP Four Marker
QUAD
Triple Test
UE3 (Unconjugated Estriol)
AFP Maternal Screening
AFP Neural Tube Defects
E3 (Estriol)
Maternal Screening, AFP Four Marker
QUAD
Triple Test
UE3 (Unconjugated Estriol)
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