Pathology

Test & Collection Guide

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Coagulation Studies

Ordering information:

Please note that Coagulation Studies consists of the following tests :

PT (INR)

APTT

Thrombin Time (TT)

Fibrinogen

Laboratory:

Coagulation

Test Code:

COAGP

Specimen types:

Plasma

Container types:

Sodium Citrate

Collection Instructions:

Do not use 1.0 mL citrate tubes

Notes:

When blood is collected from an arterial line it is necessary to discard the first 20 mL of blood to clear any heparin from the line before collecting the blood for coagulation tests

When collection is by vacuum tube, the coagulation tube should be collected second to avoid artefactual shortening of coagulation assays due to trauma of venesection

Whe blood is collected for an APTT or Anti-Xa Assay for control of heparin or low molecular weight heparin therapy, it is essential that the citrate tube is sent immediately to the laboratory

Do not use 1 ml citrate tubes.

Frequency:

Daily

Result Turnaround Time:

2 hours

Reference Interval:

INR 0.8 - 1.2

APTT 26 - 34 sec

TT 18 - 24 sec

FIB 1.9 - 4.3 g/L

Laboratory Use Only

If EMR is not available, Pathology results are available from Auscare. If you do not have an Auscare login,please complete attached form. https://pathology.easternhealth.org.au/handbook/downloads/Auscare%20access.pdf

Instruction on how to use Auscare - https://pathology.easternhealth.org.au/handbook/downloads/Auscare%20instructions.pdf

SPECIMEN COLLECTION MODULE (SCM) FAQs - CLICK HERE

CLICK HERE for a consent form to perform tests not covered by Medicare

TURN AROUND TIMES - When will my result be available?

CLICK HERE for Minimum Labelling Requirements

CLICK HERE for a printable Pathology request form

CLICK HERE for a Log sheet for recording Pathology results

"THE ART OF CCCCOLLECTION"

PLEASE CLICK HERE FOR THE PREFERRED ORDER OF DRAW