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Test Code TOXB Toxoplasma gondii, Molecular Detection, PCR, Blood

Useful For

Supporting the diagnosis of active toxoplasmosis, particularly in immunocompromised individuals

Reporting Name

Toxoplasma gondii PCR, B

Specimen Type

Whole Blood EDTA

Specimen Required

Container/Tube: Lavender top (EDTA)

Specimen Volume: 1 mL

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood EDTA Refrigerated (preferred) 7 days
  Frozen  7 days

Reference Values


Day(s) Performed

Monday through Saturday

Report Available

Same day/1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
TOXB Toxoplasma gondii PCR, B 16279-2


Result ID Test Result Name Result LOINC Value
62977 Toxoplasma gondii PCR, B 16279-2

Method Name

Polymerase Chain Reaction (PCR)/DNA Probe Hybridization


If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.