| Laboratory: | Clinical Immunology | 
| Test Name: | 
			 CYCLIC CITRULLINATED PEPTIDE ANTIBODY (CCP) - (S)  
	Test Code:
	CCP
 
		 | 
	
| Clinical Information: | 
			
	 Testing is performed at St. Boniface Hospital Immunology Lab using an enzyme-linked immunosorbent assay (ELISA). 
		The ELISA test kit provides a semiquantitative or quantitative in vitro assay for human autoantibodies of the IgG class against cyclic citrullinated peptides (CCP) in serum to support the diagnosis of rheumatoid arthritis.  | 
	
| Collection Devices: | 
			 Preferred Device:  
		
	
		1 - Serum Separator (SST) Tube(s) - Full Tube Collection
	
	
 
		 | 
	
| Specimen Required: | 
			
	 
			
				Blood: 5.0 mL
			
		 
		
				Serum: 1.0 mL
			 
			 | 
	
| Referral: | 
			 		
				Serum: 1.0 mL		
			 
			
		Separate serum and ship refrigerated, or frozen if greater than 7 days from time of collection. 
	
 | 
	
| Requisition: | |
| Reference Values: | 
				
	 0 – 5 RU/ml 
			A negative result does not necessarily exclude autoimmune disease. Positive results should not be interpreted in isolation and must be correlated with relevant clinical findings.  | 
		
| Availability: | 
			 Weekdays 
			
				TAT 5-7 Days 
			
		 | 
	
| See Also: | |
| More Information: | 
			
	 CCP reportable range: 1 – 200 RU/ml 
		 |