<prompt> Sabin fieldman dye test is used for -FilariaToxoplasmaHistoplasmaAscaris  <response>: Ans. is b i.e., Toxoplasma Laboratory diagnosis of toxoplasmosis Laboratory diagnosis can be made by -a Microscopic demonstration of the parasite.b Isolation of the parasite by animal inoculation or tissue culture.c Polymerase chain reaction.d Serology. The most common method of laboratory diagnosis.Tests for IgG antibodiesTests for IgM antibodies IgG ELISAEIA IgM indirect flourscent antibody test IgM IFA Sabin- Fieldman dye test Double sandwich ELISA IgG indirect flourscent antibody test IgG IFA IgM capture EIA Differntial agglutination ACHS Immunosorbant agglutination assay ISAGA Avidity test Frenkel skin test denotes delayed hypersensitivity in toxoplasmosis. 