Department
Haematology
Delphic Registration Code (Alpha Code)
HS3
Test Code (Numeric Code)
1733
Laboratory Handling
Phlebotomy
Tube must be filled up to the "Fill Line"
Sample Stability
INR - 24 hours at room temperature. APTT (on heparin) - 2 hours at room temperature
Associated Tests
Synonyms
NA
Turnaround Time
1 hour
Available 24 hours
Specimen Type
- Plasma
Specimen Requirements
Tube/Container Type:
Preferred
- Citrate (Light Blue Cap)
Preferred Sample Volume (ml)
2.7
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- Citrate (Light Blue Cap)
Acceptable
- Citrate (Microtainer)
Additional Specimen Information
2.7 mL Citrate tube (Light blue top). Tube must be filled up to the "Fill-Line".
1 mL paediatric tubes are available from the Coagulation Laboratory.
The 1 mL tube must be filled up to the "Fill-Line"
Last updated: 13/05/2026