First trimester screen with NT

Alphabetical Test listing

First trimester screen with NT-13499

  
First trimester screen with NT
  
13499
  
LAB13499
  
FTNT
  
First trimester screening-combined test
First trimester screen with Nuchal Translucency
  

Screening test in the first trimester of pregnancy for fetal Trisomy 21/Down syndrome and Trisomy 18/Edward's Syndrome.

  
Serum
  
  
3.0 mL
  
1.0 mL
  

Collection between 10.0 and 13.9 weeks gestation

Maternal serum specimens must be drawn prior to amniocentesis to avoid contamination with fetal blood.

 

 

  
  1. Allow blood to clot, avoiding hemolysis.
  2. Separate serum from cells by centrifugation.
  3. Transport spun tube to testing laboratory; pour off 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
  • Quantity not sufficient for analysis
  • Improper specimen type
  
LabCorp RTP (017500): R-LC
  
Mo - Sa
  
2 - 5 days
  

Chemiluminescent immunoassay

  

An interpretive report will be provided

  
84163
86336
84702
  
Yes
  
  
Result UNLOINC
  
03/29/2019
  
10/25/2019
  
02/22/2021