Tests:Coagulation Screen: Difference between revisions

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Tests:Coagulation Screen
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[[Category:Tests]]  
[[Category:Tests]]  


[[Category:Haematology]]
[[Category:Haematology]]  
[[Category:Hawera]]
{| class="wikitable"
{| class="wikitable"
! colspan="2" |
! colspan="2" |
=== ''Overview'' ===
== Overview ==
|-
|-
|Department  
|Department  
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|-
|-
|Constituent Tests
|Constituent Tests
|APTT
|Activated Partial Thromboplastin Time (APTT)
Fibrinogen
Fibrinogen (FIB)


INR
INR


Thrombin Clotting Time
Thrombin Clotting Time (TCT)
|-
|-
|Synonyms  
|Synonyms  
|Clotting  
|Clotting  


Coagulation Profile  
Coagulation Profile   
 
APTT  


Prothrombin Ratio (PR)  
Prothrombin Ratio (PR)  
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Fibrinogen (FIB)  
Fibrinogen (FIB)  
|-
|Base Lab Availability
|Monday - Sunday, testing routinely available out of hours
|-
|Hawera Lab Availability
|Monday - Friday, 8 am to 4 30pm
|-
|-
|Turnaround Time  
|Turnaround Time  
|0.5-4 hrs    
|0.5 -4 hours    
|-
|-
|Stability – Add test  
|Stability – Add test  
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|-
|-
! colspan="2" |
! colspan="2" |
=== ''Specimen Requirements'' ===
== Specimen Requirements ==
|-
|-
|Specimen Type
|Specimen  
|Plasma
|Plasma
|-
|-
|Specimen Transportation
|Preferred
|2.7 mL Na citrate tube <span style="background: #87cefa "> Blue-Top </span> 
|-
|Acceptable
|
|
|-
|-
|Preferred
|Unacceptable
|2.7 mL Na citrate tube<span style="background: #87cefa "> Blue-Top </span> 
|Clotted
Over or under filled
 
Grossly haemolysed
 
Sample older than 24 hours - 12 hours for APTT
|-
|-
|Acceptable
|Specimen Transportation
|
|
|-
|-
|Pediatric Requirements    
|Paediatric Requirements    
|1 mL Paediatric Na citrate <span style="background: #87cefa "> Blue-Top </span>    
|1 mL Paediatric Na citrate <span style="background: #87cefa "> Blue-Top </span>    
|-
|-
! colspan="2" |
! colspan="2" |
=== ''Aliquot Requirements'' ===
== Aliquot Requirements ==
|-
|-
|Sample Type
|Sample  
|
|-
|Preferred Volume
|
|
|-
|-
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|-
|-
! colspan="2" |
! colspan="2" |
=== ''Clinical Information'' ===
== Clinical Information ==
|-
|-
|Reference Intervals  
|Reference Intervals  
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|-
|-
! colspan="2" |
! colspan="2" |
=== ''Comments'' ===
== Comments ==
|-
|-
| colspan="2" |Please indicate if patient is on anticoagulants so the appropriate reference range is reported.  
| colspan="2" |Please indicate if patient is on anticoagulants so the appropriate reference range is reported.  


This includes, but is not limited to Warfarin, unfractionated heparin, Dabigatran, and Rivaroxaban. Please give full clinical details including all medication.  
This includes, but is not limited to Warfarin, unfractionated heparin, Dabigatran, and Rivaroxaban.  
 
Please give full clinical details including all medication.  
|}
|}
{{DocMeta
| owner = Mabbett1
| review_ping =
}}

Latest revision as of 08:19, 3 October 2025

Overview

Department Haematology
Test Code CS
Constituent Tests Activated Partial Thromboplastin Time (APTT)

Fibrinogen (FIB)

INR

Thrombin Clotting Time (TCT)

Synonyms Clotting  

Coagulation Profile   

Prothrombin Ratio (PR)  

Thrombin Clotting Time (TCT)  

Activated Partial Thromboplastin Time (APTT)  

Fibrinogen (FIB)

Base Lab Availability Monday - Sunday, testing routinely available out of hours
Hawera Lab Availability Monday - Friday, 8 am to 4 30pm
Turnaround Time 0.5 -4 hours  
Stability – Add test 24 hours at room temperature (INR, PR FIB, TCT)  

12 hours at room temperature (APTT)

Specimen Requirements

Specimen Plasma
Preferred 2.7 mL Na citrate tube Blue-Top  
Acceptable
Unacceptable Clotted

Over or under filled

Grossly haemolysed

Sample older than 24 hours - 12 hours for APTT

Specimen Transportation
Paediatric Requirements   1 mL Paediatric Na citrate Blue-Top    

Aliquot Requirements

Sample
Preferred Volume
Minimum Volume
Aliquot Transportation

Clinical Information

Reference Intervals Includes Prothrombin ratio, APTT, FIB and TCT.  
PR   0.8-1.2 ratio  
APTT   23-38  seconds  
FIB           1.5-4.0 g/L  
TCT         <21    seconds  
Test Method Mechanical clot detection performed on Stago Compact Max2 Analyser  
Advanced Notice Not required    
Patient Preparation Not required    

Comments

Please indicate if patient is on anticoagulants so the appropriate reference range is reported.  

This includes, but is not limited to Warfarin, unfractionated heparin, Dabigatran, and Rivaroxaban.

Please give full clinical details including all medication.

Owner Craig Mabbett (Mabbett1)
Last reviewed 03.10.2025
Next review 03.10.2026 (Due soon)