Arthritis Group
					Order Name
					
						ARTH GRP 
					
					
Test Number: 2931500
Revision Date 05/03/2018
				
			Test Number: 2931500
Revision Date 05/03/2018
| Test Name | Methodology | LOINC Code | 
|---|---|---|
| 
									
										
											Erythrocyte Sedimentation Rate (ESR) (Sed Rate)
										
									 | 
								
									Westergren | 82477-1 (4537-7) | 
| 
									
										
											Uric Acid
										
									 | 
								
									Uricase | 3084-1 | 
| 
									
										
											Anti-Nuclear Antibody Screen (ANA) with Reflex to Titer
										
									 | 
								
									Indirect Fluorescent Antibody | 8061-4 | 
| 
									
										
											RA Factor (Rheumatoid Factor)
										
									 | 
								
									Immunoturbidimetry | 
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment | 
| Preferred | See Instructions | See Instructions | See Instructions | See Instructions | 
| Instructions |  Erythrocyte Sedimentation Rate: 4 mL (1.5mL)  Whole Blood  EDTA (Lavender Top) Room Temperature  Specimen must be tested within the first 24 hours of collection. EDTA Microtainers (bullets) are not acceptable specimens. Uric Acid: 1 mL (0.5) Plasma Lithium Heparin PST (Light Green Top) or 1 mL (0.5) Serum Clot Activator SST Refrigerated Stability: Ambient 8 hours. Refrigerated 7 days. Antinuclear Antibody Screen: 1 mL Serum Clot Activator SST Refrigerated Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Stability After separation from cells: Ambient 8 hours, Refrigerated 7 days, Frozen 3 months (avoid repeated freeze/thaw cycles). Rheumatoid Factor Quantitative: 1 mL Serum Clot Activator SST Refrigerated  | 
							|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Varies | 
| Expected TAT | Assay Dependant | 
| CPT Code(s) | 85652, 84550, 86038 (if reflex to titer 86039), 86431 | 
| Lab Section | See Individual Assays |