C-Reactive Protein (CRP), Quantitative CPT: 86140

Expected Turnaround Time

Within 1 day

Specimen Requirements




1 mL

Minimum Volume

0.5 mL (Note: This volume does not allow for repeat testing.)


Red-top tube or gel-barrier tube


If a red-top tube is used, transfer separated serum to a plastic transport tube.

Storage Instructions

Room temperature

Stability Requirements

Temperature Period
Room Temperature 4 Hours
Refrigerated 3 Days
Frozen 6 Months
Freeze/thaw/ cycles X 3

Patient Information

To identify the presence of inflammation and to monitor response to treatment for an inflammatory disorder.

When your healthcare provider suspects that you have an acute condition causing inflammation, such as a serious bacterial or fungal infection or when you are suffering from an inflammatory disorder such as arthritis, an autoimmune disorder, or inflammatory bowel disease.

A blood sample taken from a vein.