Immunoglobulin G, Total
Test Code
IGG
Description
Increased IgG is associated with acute and chronic inflammations, monoclonal IgG myeloma, autoimmune diseases; decreased IgG is found in selective IgG deficiency, Bruton's Disease, and acquired immune deficiency.
Collect
Plain red top or SST tube.
Pediatric Collection
Minimum volume: 0.1 mL serum
Storage Transport Temp
Offsite: Send frozen serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
Stability after cell separation:
3 days refrigerated at 2-8°C
Indefinitely if frozen at  ≤ -20°C
Performed
Mon-Fri
Methodology
Turbidimetric
Turnaround Time
4 hours
Department
Core Lab
Synonyms
IGG, (Immunoglobulin G, total)
Study Offerings
Not offered
Related Tests
Primary Immunodeficiency Screen, Pneumococcal polysaccharide IgG antibody [12 serotypes] (PNU12), Diphtheria IgG antibody titer (DIPHT), Tetanus IgG antibody titer (TET), Lymphocyte enumeration, CDC panel [CD3/CD4, CD3/CD8, CD19, CD16/56] (TBCDC), CBC with automated diff (HCBC), Immunoglobulin A level (IGA), Immunoglobulin M level (IGM), Alternative complement pathway activity (AH50), Total complement activity (CH50)
Reference Interval
| 
			 Immunoglobulin G, Total  | 
			
			 Human  | 
		|
| 
			 Male  | 
			
			 Female  | 
		|
| 
			 mg/dL  | 
		||
| 
			 Newborn - 2 months  | 
			
			 250-1200  | 
			
			 250-1200  | 
		
| 
			 3 months - 1 year  | 
			
			 286-1680  | 
			
			 286-1680  | 
		
| 
			 2 years - 3 years  | 
			
			 341-1960  | 
			
			 341-1960  | 
		
| 
			 4 years - 19 years  | 
			
			 528-2190  | 
			
			 528-2190  | 
		
| 
			 20+ years  | 
			
			 700-1620  | 
			
			 700-1620  | 
		
CPT Code
82784
New York Approved
FDA Approved or Cleared
FDA
Approved or Cleared