Unit Code 81149:
Quad Screen (Second Trimester) Maternal, Serum
Useful For
Prenatal screening for open neural tube defect (AFP only), Down
syndrome (AFP, hCG, uE[3], and inhibin A) and trisomy 18 (AFP,
hCG, uE[3])
Note: The use of these markers to screen for Down syndrome is
not an approved Food and Drug Administration (FDA)
procedure.
Profile Information
| Unit Code | Reporting Name | Available Separately | Always Performed |
| 10347 | MATERNAL DEMOGRAPHIC INFORMATION | No | Yes |
| 10348 | GESTATIONAL AGE (GA) INFORMATION | No | Yes |
| 10349 | GA ON COLLECTION DATE | No | Yes |
| 10351 | AFP | Yes (Order #81169 for Neural Tube Defect; #8162 for Tumor Marker) | Yes |
| 10352 | uE3 | Yes (Order #81711) | Yes |
| 10353 | hCG, TOTAL | Yes (Order #80678) | Yes |
| 10354 | INHIBIN | No | Yes |
| 10355 | SUMMARY OF SCREEN RISKS | No | Yes |
| 10356 | INTERPRETATION | No | Yes |
| 10357 | RECOMMENDED FOLLOW UP | No | Yes |
| 10358 | GENERAL TEST INFORMATION | No | Yes |
Testing Guides and Forms
Method Name
10351, 10352, 10353, 10354:Two-Site Immunoenzymatic (Sandwich) Assay
Reporting Name
QUAD SCRN (2nd Tri) MATERNAL, S
Ordering Mnemonic
QUAD
Aliases
AFP 4 Marker Screen
AFP Maternal Screening
AFP Neural Tube Defects
E3 (Estriol)
Maternal Screening, AFP Four Marker
QUAD
Triple Test
UE3 (Unconjugated Estriol)
External link
PDF document
Excel document
Word document