CRP - Specimen: C-Reactive Protein (CRP), Serum

Test Catalog

Test Name

Test ID: CRP    
C-Reactive Protein (CRP), Serum

Specimen Type Describes the specimen type validated for testing


Advisory Information

To assess the risk of cardiovascular disease or events using C-reactive protein, order HSCRP / C-Reactive Protein, High Sensitivity, Serum.

Necessary Information

Indicate patient's age and sex.

Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.


Preferred: Serum gel

Acceptable: Red top

Specimen Volume: 0.5 mL

Collection Instructions:

1. Serum gel tube should be centrifuged within 2 hours of collection.

2. Red-top tube should be centrifuged and aliquoted within 2 hours of collection.

Specimen Minimum Volume The amount of sample necessary to provide a clinically relevant result as determined by the Laboratory.

0.25 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected


Mild OK; Gross reject








Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperatures are also included.

Specimen TypeTemperatureTime
SerumRefrigerated (preferred)14 days
 Frozen 14 days
 Ambient 72 hours