Coagulation, (COAG)

NameCoagulation, Coag
Tube TypeBlue (Sodium Citrate)
Reporting UnitsSee reference ranges below.
Reference RangePT
13-16s, INR: 0.9 – 1.1
25 – 36s, APTTR: 0.82 – 1.18
Clauss 190 – 410mg/dL
AvailabilityNDDH (24/7)
Target turnaround time2 hours
Special requirements & notes
Patient preparationN/A
Volume required1 tube (2.7ml) must be full
If delayed transport to lab, store:In refrigerator 2 – 8oC
Factors affecting result interpretationClotted sample, underfilled samples
Time limit for add on testVaries – see individual tests
Pathology disciplineHaematology
‘Lab Tests Online’ linkSee individual tests

Last updated: May 27, 2020