C-Reactive Protein, Plasma

Contents 1 Overview 2 Specimen Requirements 3 Aliquot Requirements 4 Clinical Information 5 Comments Overview
Department	Biochemistry
Test Code	PCRP
Synonyms	CRP
Test Availability	Monday - Sunday, testing routinely available out of hours
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	An immunoturbidometric method analysed on Abbott c8000 series analyser, with Abbott reagents.
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.

Overview