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HelpTest Code ANT2 Antenatal Screen II
Specimen Requirements
Submit only one of the followings:
Antenatal Screen (ANT1):
See Antenatal Screen for specimen requirements
Thalassaemia Screen (THALS):
See Thalassaemia Screen for specimen requirements
RUBG, Anti-HCV:
Specimen Type: Serum
Container/Tube: Gold Top (SSTII) / Red Top
Volume: 5.0 mL / 6.0 mL blood
Minimum Volume: 1.0 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs
Specimen Stability
Antenatal Screen (ANT1):
See Antenatal Screen for specimen stability
RUBG, Anti-HCV
| Specimen Type | Serum |
|---|---|
| Ambient | 8 hours |
| Refrigerate | 7 days (preferred) |
| Frozen | 1 year |
Thalassaemia Screen (THALS):
| Specimen Type | Whole Blood |
|---|---|
| Ambient | 8 hours |
| Refrigerate | 1 day |
| Frozen | Not available |
Panel Information
Panel includes the following tests:
Methodology
See individual test listings for methodology
Days and Times Performed
| Antenatal Screen (ANT1) | See Antenatal Screen for Days and Times Performed |
|---|---|
| RUBG, Anti-HCV | Monday through Friday, TAT 1 – 3 days |
| Thalassaemia Screen (THALS) | Monday through Friday, Office hours, TAT 5 – 21 working days (for identification of abnormal variants) |
Specimen Condition
Antenatal Screen (ANT1):
See Antenatal Screen for specimen requirements
Thalassaemia Screen (THALS):
See Thalassaemia Screen for specimen requirements
RUBG, Anti-HCV
| Gross Haemolysis | Reject |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Reference Interval
See individual test listings for reference interval
Testing Laboratory
| Antenatal Screen (ANT1) | See Antenatal Screen for Testing Laboratory |
|---|---|
| Thalassaemia Screen (THALS) | National University Hospital, Singapore Haematology, 67725354 |
Useful For
Blood tests to evaluate and prepare for a healthy pregnancy
Service Code
34016
LOINC Code Information
See individual test listings for LOINC code information
Update
Last updated 21/02/2025