ARUP's Laboratory Test Directory

0050355: Immunoglobulin M, Serum

Test Mnemonic: IGM
Methodology: Nephelometry

Performed: Sun-Sat

Reported: Within 24 hours

Specimen Required:  
Collect: One 4 mL SST.

Transport: 1 mL serum at 2-8°C. (Min: 0.4 mL)  Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.3 mL serum at 2-8°C.

Remarks: Separate serum from cells ASAP.

Unacceptable Conditions: Hemolyzed specimens.

Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 8 days; Frozen: 1 year (if frozen within 24 hours)

Reference Interval:
 
0-30 days: 0-24 mg/dL                     
1 month: 19-83 mg/dL                               
2 months: 16-100 mg/dL                         
3 months: 23-85 mg/dL                               
4 months: 26-96 mg/dL                             
5 months: 31-103 mg/dL                           
6 months: 33-97 mg/dL                               
7-8 months: 32-120 mg/dL                          		9-11 months: 39-142 mg/dL
1 year: 41-164 mg/dL
2 years: 46-160 mg/dL
3 years: 45-190 mg/dL
4 years: 41-186 mg/dL
5-7 years: 46-197 mg/dL
8-9 years: 49-230 mg/dL
10 years and older: 60-263 mg/dL

CPT Code(s):
82784