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Test Code CRP C-Reactive Protein (CRP), Serum

Reporting Name

C-Reactive Protein (CRP), S

Useful For

Detecting systemic inflammatory processes

 

Detecting infection and assessing response to antibiotic treatment of bacterial infections

 

Differentiating between active and inactive disease forms with concurrent infection

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Serum


Ordering Guidance


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


Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

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 the serum aliquoted into a plastic vial within 2 hours of collection.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 21 days
  Frozen  365 days
  Ambient  14 days

Reference Values

<5.0 mg/L

Reference values apply to all ages.

Day(s) Performed

Monday through Sunday

Test Classification

This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

CPT Code Information

86140

LOINC Code Information

Test ID Test Order Name Order LOINC Value
CRP C-Reactive Protein (CRP), S 1988-5

 

Result ID Test Result Name Result LOINC Value
CRP C-Reactive Protein (CRP), S 1988-5

Report Available

Same day/1 to 3 days

Reject Due To

Gross hemolysis Reject

Method Name

Immunoturbidimetric Assay