IgM


Sunquest Code:IGM  
Epic Code:LAB72Epic Name:IGM
Synonyms:Immunoglobulin M; Gamma Globulin
Methodology:Immunoturbidmetry
Turnaround Time:Performed Mon-Fri; results are reported within 1 day.


Collection Instructions

Specimen:Blood
Optimal Volume:1 mL
Minimum\Peds Volume:0.6 mL
Container:Red or gold (gel) (Green (lithium heparin, gel), Green (sodium heparin, no gel), Purple (EDTA), Red (no gel))
Causes for Rejection:Grossly hemolyzed and highly lipemic samples. Samples not separated from cells within 2 hours of collection.


Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 7 days refrigerated; indefinitely frozen.
Test Performed at or Referral Lab Endocrine  (UMMC-East Bank)


Interpretive

Reference Range:
Age mg/dL
0-2 y 21-215
3-4 y 26-154
5-9 y 26-188
10-14 y 47-252
15-18 y 26-232
>18 y 35-242
   
Use:Evaluate humoral immunity, establish diagnosis and monitor therapy in macroglobulinemia of Waldenstrom and multiple myeloma. Screen cord or neonatal serum for infections acquired in utero.


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