Immunoglobulin M, Total
Test Code
IGM
Description
Increased IgM is associated with Waldenström's macroglobulinemia, infectious mononucleosis, viral infections, nephrotic syndrome, and estrogen therapy; decreased IgM is found in selective IgM 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
Turbidimetric (Immunoglobulin M, 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 G level (IGG), Alternative complement pathway activity (AH50), Total complement activity (CH50)
Reference Interval
|
Immunoglobulin M,Total |
Human |
|
|
Male |
Female |
|
|
mg/dL |
||
|
Newborn - 1 month |
19-193 |
19-193 |
|
2 months - 11 months |
21-192 |
21-192 |
|
1 year - 3 years |
43-163 |
43-163 |
|
4 years - 19 years |
48-226 |
48-226 |
|
20+ years |
44-266 |
44-266 |
CPT Code
82784
New York Approved
FDA Approved or Cleared
FDA
Approved or Cleared