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Test Code LAB71 Immunoglobulin G (IgG), Serum and Plasma

Reporting Title

IgG

Methodology

Immunoturbidimetric Assay

Note:  LAB166  “Immunoglobulins (IgG, IgA, and IgM)” orders IgG, IgA, and IgM.

Useful in the detection or monitoring of monoclonal gammopathies and immune deficiencies. #46015 “Immunofixation, Serum” is usually required to characterize a monoclonal protein.

Performing Laboratory

OhioHealth Laboratory Services-RMH Special Testing

Specimen Requirements

Draw blood in a gold-top serum gel tube(s). Spin down and send 0.5 mL of serum refrigerated.

Note:  

1.A speckled-top serum gel tube (s) or a plain, red-top tube(s) is also acceptable.

2. A mint top green (Lithium Heparin) gel tube is also acceptable.

 

Specimen Stability Information

Specimen Type Temperature Time
Serum or plasma Refrigerated 4 months
  Ambient  8 months
  Frozen  8 months

 

Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values

Cord blood:  614-1,546 mg/dL
0-3 months:  197-869 mg/dL

3-7 months:  163-782 mg/dL

7-12 months:  211-1,027 mg/dL

1-4 years:  331-1,166 mg/dL

4-6 years:  446-1,186 mg/dL

6-9 years:  610-1,229 mg/dL

9-11 years:  586-1,507 mg/dL

>11 years:  541-1,694 mg/dL

Day(s) Test Set Up

Monday through Friday Continuous

Saturday and Sunday Day shift only

Test Classification and CPT Coding

82784