Integrated 1 without NT

Alphabetical Test listing

Integrated 1 without NT-13688

  
Integrated 1 without NT
  
13688
  
LAB13688
  
INT1ST
  
Down syndrome
PAPP-A
  

Screening test for Open Spina Bifida (ONTD), Trisomy 21 (Down syndrome), and Trisomy 18 (Edwards syndrome).

  
Serum
  
  
3.0 mL
  
1.0 mL
  
  • Collect sample between 10.0 and 13.9 weeks of gestation. 

  • Immediatley following collection, mix sample by gently inverting 5 times
  

1. Allow sample to clot for a minimum of 30 minutes
2. Spin within two (2) hours of sample collection

Pour-off/aliquoting is not advised

  

Gold serum separator (SST) tube

  
  

Ambient (preferred) - 7 days

Refrigerated - 14 days

Frozen - 14 days

Freeze/thaw cycles - stable x3

  
  • Gross hemolysis
  • Gross lipemia
  
LabCorp Burlington (017200): R-NX
  
Mo - Fr
  
2 - 5 days
  

Chemiluminescent immunoassay

  

This is a screening test. A positive result means that diagnostic testing may be offered to the pregnant woman to determine if a neural tube defect or chromosome abnormality is present.

Serum integrated screening requires two specimens: one collected in the first trimester and one in the second trimester.

This test number is for the first trimester portion of the test. Result interpretation will be provided only when the second trimester specimen is received and tested.

  
84163
  
06/14/2019
  
03/30/2022
  
02/21/2024