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Test Code LAB501 Toxoplasma gondii Antibody, IgG, Serum

Reporting Title

Toxo IgG

Methodology

Diasorin LIAISON®, Competitive Two-Step Chemiluminescence Asay

Used to aid in determination of Toxoplasma gondii immune status.

Performing Laboratory

OhioHealth Laboratory Services-RMH Special Testing 

Specimen Requirements

Draw blood in a gold-top or a speckled-top serum gel tube(s). Spin down and send 1 mL (pediatric volume:  0.2 mL) of serum refrigerated.

Note:  Plain, red-top tube(s) is also acceptable.

 

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated 7 days
  Ambient   
  Frozen  Stable

 

Specimen Transport Temperature

Refrigerate/Ambient OK/Frozen OK

Reference Values

Negative:  <6.0    IU/mL

Equivocal:  6-7.9 IU/mL

Positive:     ≥8.0   IU/mL

A negative result does not always exclude infection. Specimen may have been drawn very early in disease. Results from immunosuppressed patients may be difficult to interpret due to diminished immune response. Positive results may not be valid if patient has received blood in the past several months.

Day(s) Test Set Up

Monday through Friday Continuous

Saturday and Sunday Day shift only

Test Classification and CPT Coding

86777