Advanced Diagnostic Laboratories

Immunoglobulin A, Total

Test Code

IGA

Description

Increased IgA is associated with monoclonal IgA myeloma, respiratory and gastrointestinal infections, and malabsorption; decreased IgA is found in selective IgA deficiency and in ataxia telangiectasia.

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

IGA, (Immunoglobulin A, 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 A, Total	Human
	Male	Female
	mg/dL
Newborn - 30 days	0-94	0-94
31 days - 3 months	0-131	0-131
4 months - 11 months	10-129	10-129
12 months - 23 months	19-175	19-175
2 years	22-220	22-220
3 years	48-345	48-345
4 years	61-345	61-345
5 years	43-253	43-253
6 years	41-297	41-297
7 years - 9 years	51-297	51-297
10 years - 12 years	44-395	44-395
13 years - 19 years	44-441	44-441
20+ years	50-462	50-462