Toxoplasma gondii Antibody, IgM 
Mnemonic TOXO IGM
CPT 86778
Test Code 3506158
Synonyms Toxoplasmosis, IgM Screen
Test Includes  
Specimen Serum
Volume 1.0 mL
Container SST or Red Top Tube
Special Instructions  
Specimen Prep Centrifuge* For Red Top only, transfer serum to Plastic Transport Tube.
Storage Refrigerate
Transport Temp Refrigerated
Stability Rm Temp 48 hours
Stability Refrig 2 weeks
Stability Frozen 1 year
Methodology Semi-Quantitative Chemiluminescent immunoassay
Rejection Criteria   
Reference Value Negative: <=7.9 AU/mL; Indeterminate: 8.0 - 9.9 AU/mL; Positive: >=10.0 AU/mL 
Performed/TAT Monday - Sunday   Reported in 3 days    
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