First Trimester Antenatal Screen

(Risk to be calculated by requesting clinician)

Profile details

Free β-hCG
PAPP-A

Free β-hCG and PAPP-A in serum and sonographic determination of nuchal translucency (NT) are markers of choice to identify women at increased risk of Down Syndrome during the first trimester (week 11-13) of pregnancy.

Code

HCGF/PAPA

Sample Reqs

B

Turnaround

4 hrs

Special instructions

No special instructions



Sample type guide

B

Gold Vacutainer, SST/Gel anticoagulant, 5ml

See the Sample Requirements page for an explanation of all the sample requirements.

See the Special Instructions Legend page for a full list of special instructions.

Last-updated: 13/12/20

 

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