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.
  • Immediately following collection, thoroughly mix sample by gently inverting 5 times

 

 

  
  1. Allow sample to clot for a minimum of 30 minutes
  2. Spin

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