Tests:Malaria Screen and Parasite Microscopy, Blood: Difference between revisions

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Tests:Malaria Screen and Parasite Microscopy, Blood
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[[Category:Tests]]  
[[Category:Tests]]  


[[Category:Haematology]   
[[Category:Haematology]]   
{| class="wikitable"
{| class="wikitable"
! colspan="2" |
! colspan="2" |
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|-
|-
|Department  
|Department  
|Haematology, thick film referred to Canterbury Health Laboratories  
|Haematology  
|-
|-
|Test Code  
|Test Code  
|
|HMAL
CBCD
|-
|-
|Synonyms  
|Synonyms  
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Malarial parasites  
Malarial parasites  


Thick films  
Malarial Antigens


Malarial Antigens
Malaria NAAT
 
Malaria PCR
 
Thick and Thin films
|-
|-
|Availability
|Availability
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|-
|-
|Turnaround Time  
|Turnaround Time  
|Malarial Antigen result within an hour.  
|Malarial NAAT result within 2 hours
Species identification via thin film within 4 hours 
|-
|-
|Stability – Add test  
|Stability – Add test  
|
|6 hours
|-
|-
! colspan="2" |
! colspan="2" |
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|Preferred  
|Preferred  
|4 mL EDTA <span style="background: #ba55d3"> Purple-Top </span> - film to be made ASAP    
|4 mL EDTA <span style="background: #ba55d3"> Purple-Top </span> - film to be made ASAP    
<nowiki>*</nowiki>Please provide recent travel history and history of past malaria infection
|-
|-
|Acceptable  
|Acceptable  
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|-
|-
|Test Method  
|Test Method  
|Stained thin film microscopy  
|Malaria LAMP assay (loop-mediated isothermal DNA amplification)
 
Antigen testing  
 
Thick film  
 
CBC also required  
|-
|-
|Advanced Notice  
|Advanced Notice  
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== Comments ==
== Comments ==
|-
|-
| colspan="2" |Thick films are referred to Canterbury Health Laboratories for final result and speciation of parasites.  
| colspan="2" |
 
Antigen testing and thin blood film microscopy can provisionally exclude malaria, however thick film examination is the gold standard confirmatory test.
 
As a negative result may not rule out malaria, if symptoms persist, consider sending repeat specimen in the interim.
|}
|}
{{DocMeta
| owner = Mabbett1
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Latest revision as of 13:26, 3 December 2025

Overview

Department Haematology
Test Code HMAL

CBCD

Synonyms Blood parasites  

Malarial parasites  

Malarial Antigens

Malaria NAAT

Malaria PCR

Thick and Thin films

Availability Monday - Sunday, testing routinely available out of hours
Turnaround Time Malarial NAAT result within 2 hours

Species identification via thin film within 4 hours

Stability – Add test 6 hours

Specimen Requirements

Specimen Whole blood
Preferred 4 mL EDTA Purple-Top - film to be made ASAP    

*Please provide recent travel history and history of past malaria infection

Acceptable
Unacceptable Clotted samples

Samples older than 6 hours

Specimen Transportation ASAP to lab  
Paediatric Requirements   EDTA Microtainer    

Aliquot Requirements

Sample
Preferred Volume
Minimum Volume
Aliquot Transportation

Clinical Information

Reference Intervals Interpretation with report    
Test Method Malaria LAMP assay (loop-mediated isothermal DNA amplification)
Advanced Notice
Patient Preparation Collect sample at peak of fever if possible    

Comments

Owner Craig Mabbett (Mabbett1)
Last reviewed 03.12.2025
Next review 03.12.2026 (OK)
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