Test Directory
APTT Ratio (Activated Partial Thromboplastin Time Ratio)
Containers - Adult
Green Cap Tube 3.0ml (Sarstedt)
|
Volume Range
3ml
Additive per Container
Sodium Citrate |
Containers - Child
|
1.4ml citrate sarstedt monovette tube
|
Volume Range
Additive per Container
Sodium Citrate |
Reference ranges
The therapeutic range is dependent on clinical condition.
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
Specimen must be transported within a plastic sealable bag or other suitable container. Samples should be transported to the laboratory ASAP
Special instructions for collection
The coagulation samples (green top) MUST be filled to the green line indicated on the tube.
How to request
Request form or Trak
Availability
Monday - Friday: routine service 09:00 - 17:00. Saturday - Sunday: routine service 09:00 - 13:00
Please contact the laboratory for urgent samples outside of routine hours.
Anticipated turnaround
1day
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.
General additional information
The APTT ratio is used to monitor Unfractionated Heparin Therapy