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Laboratory Information

Test Name

C Reactive Protein

Synonyms

CRP

External Price (excl. GST)

8.59

Specimen Collection

Adult Specimen

Heparin (light green), SST(gold)"T-" labs SST (gold)

Paediatric Specimen

0.3ml Heparin (light green) or Plain(red).

Test Information

Department

Biochemistry

Test Availability

Mon - Sun, 24hrs

Laboratory Turnaround Time

3 hrs

Method

Cobas Pro PETINIA Rural Waikato Labs: Vitros XT7600

Reference interval

0-5 mg/L

Uncertainty of measurement

Waikato - 7% Rural Waikato Labs - 20%

Diagnostic Use Or Instructions

Note: patients on monthly infusions of Tocilizumab will not mount a CRP response for any reason. As the drug inhibits it, therefore a ‘normal’ CRP can be misleading.

Patients on Prednisone who have an infection can also have a limited inflammatory response.

Minimum Volume

0.1 mL heparin plasma or serum

Electronic Information

Registration Code

CRP

HL7 mapping code

$CRP

LOINC Code

1988-5

Laboratory Test Reference Guide