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Specimen Collection Manual and Test Catalog

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CRP (INFLAMMATORY MARKER)

Geisinger Epic Procedure Code:  LAB2100    Geisinger Epic ID:  21624

SPECIMEN COLLECTION
Specimen type: 

Plasma or serum


Preferred collection container: 
Specimen required: 

2 mL of serum or plasma; minimum 0.2 mL.



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection.


Transport temperature: 

Refrigerated (preferred). Room temperature or frozen specimen also acceptable.


Specimen stability: 

Room temperature: 2 weeks. Refrigerated: 3 weeks. Frozen: 1 year.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

0-5 mg/L


CPT code(s):  86140
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Test includes: 

C-reactive protein, low sensitivity.


Methodology: 
Immunoturbidity
Synonyms: 

CRPL, C-REACTIVE PROTEIN, ACUTE PHASE REACTANTS, CRP MIDRANGE


Clinical significance: 

Increased CRP levels are found in inflammatory conditions, including bacterial infection, rheumatic fever, active arthritis, myocardial infarction, malignancies and in the postoperative state. This test cannot detect the relatively small elevations of CRP that are associated with increased cardiovascular risk.


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

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