|MATERNAL SERUM TEST|
|Alternate Names for Test:||
1st TRIMESTER SCREEN
2nd TRIMESTER SCREEN
ANTENATAL SCREENING FOR DOWNS SYNDROME
FIRST TRIMESTER SCREEN
SECOND TRIMESTER SCREEN
|Specimen Collection Requirements:|
|Patient Preparation:||Patient must be between 9 weeks and 13 weeks/6 days gestation for first trimester
requests and 14 to 20 weeks for 2nd trimester.
|Phlebotomist Instructions:||DO NOT COLLECT ON A SATURDAY.
TRANSPORT IN A RED URGENT BAG TO THE MAIN LABORATORY
All forms MUST be checked to ensure the following information is complete:
1) Collection date and time
2) Additional information such as ethnicity
If patient supplies a scan send with specimen, if scan is not provided proceed
without it, note on form it has not been supplied.
PLEASE NOTE MUST SUPPLY DEDICATED SST TUBE - CAN NOT SHARE WITH OTHER TESTS
1x Yellow SST (Serum Separator) tube 8.5mL
|Minimum Sample Volume:||Tube must be full.|
|Pre-Analytical Storage Requirements:||Separate within 4 hours of collection|
|Additional Information:||Must have a completed request form from:
Maternal age must be provided for the risk factor to be calculated.
NOTE: No charge to patient
NOTE: Results issued directly to requesting practitioner by testing laboratory
depending on receipt of the patients scan by the referring laboratory - this can be
|Referred to:||Canterbury Health Laboratories|
|Link to Reference Lab Website:||http://www.labnet.co.nz/testmanager|
|Preferred Aliquot:||3mL serum|
|Minimum Aliquot:||2mL serum|
|Pre-Transport Requirements to Reference Lab:||Must separate within 4 hours of collection.
Freeze within 12 hours of collection.
|Transport Requirements to Reference Lab:||Frozen
|In the Lab:|
|Lab Solutions Code:||RMST|
|Turnaround Time:||Is dependent on when the patient's scan is received by the reference laboratory, this can be up to several weeks.|
|Reference Interval & Interpretation:||Provided with Reference Laboratory result.
|Link to Application and Diagnostic Use Website:||https://www.rcpa.edu.au/Library/Practising-Pathology/RCPA-Manual/Items/Pathology-Tests|
|Notes:||Results isssued directly to requesting practitioner by testing laboratory.
|Lab Contact:||Julie Page & Mary Southee|
Test Information last updated on 10/06/2016
Website last updated on 20/11/2017 10:39