Toxoplasma gondii Antibody, IgM


Sunquest Code:TOXABM  
Epic Code:LAB659Epic Name:Toxoplasma gondii Antibody IgM
Methodology:Chemiluminescent immunoassay
CPT Code:86778
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1 day.
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent specimens must be received within 30 days from receipt of the acute specimens.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Grossly hemolyzed. Plasma or urine specimens.


Processing and Shipping

Specimen Processing:Separate serum from cells within 2 hours of collection. Centrifuge and aliquot 1 mL, 0.5 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50557


Interpretive

Reference Range:

7.9 AU/mL or less

Not detected

8.0-9.9 AU/mL

Indeterminate-Repeat testing in 10-14 days may be helpful.

10.0 AU/mL or greater

Detected – Significant level of Toxoplasma gondii IgM antibody detected and may indicate a current or recent infection. However, low levels of IgM antibodies may occasionally persist for more than 12 months post-infection.

 

 



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