Immunoglobulin IgG Subclasses
					Order Name
					
						IGG SUBCL 
					
					
Test Number: 5580250
Revision Date 10/23/2017
				
			Test Number: 5580250
Revision Date 10/23/2017
| Test Name | Methodology | LOINC Code | 
|---|---|---|
| 
									
										
											Immunoglobulin IgG Quantitative
										
									 | 
								
									Turbidometric | 2465-3 | 
| 
									
										
											Immunoglobulin IgG1
										
									 | 
								
									Turbidometric | 2466-1 | 
| 
									
										
											Immunoglobulin IgG2
										
									 | 
								
									Turbidometric | 2467-9 | 
| 
									
										
											Immunoglobulin IgG3
										
									 | 
								
									Turbidometric | 2468-7 | 
| 
									
										
											Immunoglobulin IgG4 Quantitative
										
									 | 
								
									Turbidometric | 2469-5 | 
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment | 
| Preferred | 1 mL | Serum | Clot Activator SST | Refrigerated | 
| Instructions |  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 4hours, Refrigerated 7 days, Frozen 1 months (avoid repeated freeze/thaw cycles).  | 
							|||
| GENERAL INFORMATION | |
|---|---|
| Testing Schedule | Mon-Sat | 
| Expected TAT | 2-4 Days | 
| Clinical Use | Useful for the detection of IgG subclass deficiencies. | 
| CPT Code(s) | 82787X4, 82784 | 
| Lab Section | Immunology - Serology |