Test Directory
Coagulation Screen
Containers - Adult
S-Monovette Citrate 9NC, 2.9 ml, cap green, diameter 13 mm
|
Additive per Container
Sodium Citrate |
Containers - Child
S-Monovette Citrate 9NC, 1.4 ml, cap green, diameter 8 mm
|
Additive per Container
Sodium Citrate |
Reference ranges
Prothrombin Time (seconds) | APTT (secs) | Fibrinogen (g/L) | |
*Neonates Day1 - Day 4 | 8.2 - 14.1 | 29.0 - 51.5 | 1.5- 4.0 |
* Day5 -Day 21 | 8.2 - 14.1 | 28.0 - 55.0 | 1.5 - 4.0 |
*Day22 - Day 84 | 8.2 - 14.1 | 28.0 - 50.0 | 1.5 - 4.0 |
*Infants Day85 -Day 175 | 8.2 - 14.1 | 28.0 - 45.0 | 1.5 - 4.0 |
*Infants Day175 - Year 1 | 9.0 - 12.0 | 28.0 - 40.0 | 1.5 - 4.0 |
1 year - Adult | 9.0 - 12.0 | 21.0 - 28.0 | 1.5 – 4.0 |
*Applies to term infants – preterm infants may have a different value.
Laboratory Site
RIE
51 Little France Crescent
Old Dalkeith Road
Edinburgh
EH16 4SA
Old Dalkeith Road
Edinburgh
EH16 4SA
Telephone: 0131 536 1000
SJH
Howden Road West
Howden
Livingston
West Lothian
EH54 6PP
Howden
Livingston
West Lothian
EH54 6PP
Telephone: 01506 523000
WGH
Crewe Road South
Edinburgh
EH4 2XU
Edinburgh
EH4 2XU
Telephone: 0131 537 1000
Transport arrangements
Samples should reach the laboratory as soon as possible, post collection.
Sample storage arrangements
Room Temperature
Special instructions for collection
The coagulation samples (green top) MUST be filled to the green line indicated on the tube.
How to request
TRAK / ICE / Request form
Anticipated turnaround
1 day.
What happens if the result is positive or abnormal
The laboratory will telephone abnormal results where it appears that these are likely to be clinically significant. Please provide an appropriate telephone or bleep number.
General additional information
The Coagulation screen comprises:
- Prothrombin Time (PT)
- Activated Partial Thromboplastin Time (APTT)
- Fibrinogen (Clauss)
It is sometimes referred to as the Clotting Screen.
For information on the use of Monovettes, please click here - Monovette error flyer FINAL.doc