C-Reactive Protein, Plasma

From Taranaki Lab Manual
Revision as of 21:35, 23 September 2026 by Clair Crossley (Crossley1) (talk | contribs) (Updated method Alinity)
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Tests:C-Reactive Protein, Plasma
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Overview

Department Biochemistry
Test Code PCRP
Synonyms CRP 
Base Lab Availability Monday - Sunday, testing routinely available out of hours
Hawera Lab Availability Monday- Friday, 8am to 4 30pm
Turnaround Time 1 hour urgent - 2 hours routine  
Stability – Add test 3 days

Specimen Requirements

Specimen Serum

Plasma

Preferred 4 mL Li-Hep Green-Top
Acceptable 6 mL Plain Red-Top
Unacceptable
Specimen Transportation
Paediatric Requirements 600µL Li-Hep Microtainer Paediatric tube 

Aliquot Requirements

Sample
Preferred Volume >0.1 mL
Minimum Volume 50 µL 
Aliquot Transportation

Clinical Information

Reference Intervals Reference Range: <5 mg/L 
Test Method Abbott Alinity c series analyser using Abbott reagents. Immunoturbidometric method.
Advanced Notice Not required  
Patient Preparation Not required

Comments

Results below 5 mg/L rule out numerous acute inflammatory diseases but do not exclude inflammatory processes in general.

Elevated CRP results up to 50 mg/L occur in the presence of slight to moderate inflammatory processes. CRP results above 50 mg/L indicate high and extensive inflammatory activity. 

Owner Clair Crossley (Crossley1)
Last reviewed 23.09.2026
Next review 23.09.2027 (OK)