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Test ID: FFTXM    
Toxoplasma IgM, ELISA, Serum

Reference Values Describes reference intervals and additional information for interpretation of test results. May include intervals based on age and sex when appropriate. Intervals are Mayo-derived, unless otherwise designated. If an interpretive report is provided, the reference value field will state this.



IgM-ELISA: (serum) negative 0.0 - 1.6, equivocal 1.7 - 1.9, >=2.0

positive; (CSF) negative 0.0 - 0.3; positive >=0.4. A negative IgM-

ELISA result in an immunologically normal adult almost always

excludes recent infection. IgM antibodies may persist for one year

or longer following acute infection.


Test Performed by: Palo Alto Medical Foundation

                              Toxoplasma Serology Laboratory

                              Research Institute, Ames Building

                              795 El Camino Real

                              Palo Alto, CA94301