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Toxoplasma gondii DNA, Qualitative Real-Time PCR : 34451
Test CodeTOXQL or 34451
Alias/See Also
T gondii DNA, Toxoplasmosis
CPT Codes
87798
Preferred Specimen
1 mL (0.3 mL minimum) amniotic fluid or CSF collected in a sterile, leak-proof container or
3 cubic mm (3 cubic mm minimum) tissue collected in a sterile, leak-proof container
3 cubic mm (3 cubic mm minimum) tissue collected in a sterile, leak-proof container
Other Acceptable Specimens
1 mL (0.3 mL minimum) serum or Whole blood or
plasma collected in a EDTA (lavender-top) tube or
0.3 mL (0.25 mL minimum) undiluted vitreous (eye) fluid collected in a sterile, leak-proof container
plasma collected in a EDTA (lavender-top) tube or
0.3 mL (0.25 mL minimum) undiluted vitreous (eye) fluid collected in a sterile, leak-proof container
Instructions
Raw vitreous (eye) fluid specimens: Do not dilute collected specimen with additional saline or other transport media
Transport Temperature
Refrigerated
Specimen Stability
Amniotic fluid, CSF, Tissue, Plasma, Serum, Vitreous fluid
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Whole blood
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Whole blood
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed whole blood
Methodology
Real-Time Polymerase Chain Reaction
Setup Schedule
Mon-Wed-Fri
Report Available
2-4 days
Limitations
Laboratory test results should always be considered in the context of clinical observations. This test was developed, and its performance characteristics determined by med fusion. It has not been cleared or approved by the U.S. Food and Drug Administration (FDA). The FDA has determined that such clearance or approval is not necessary. This test is used for clinical purposes. It should not be regarded as investigational for research. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA) as qualified to perform high complexity clinical laboratory testing.
Reference Range
Not Detected
Clinical Significance
Toxoplasma gondii, an obligate intracellular parasite, is an important opportunistic pathogen of immunosuppressed patients. In AIDS patients and transplant patients, this infection may result in a life-threatening encephalitis. T. gondii can also cause a fatal infection of the fetus if an infection is acquired during pregnancy. Fetal death or major abnormalities such as blindness and mental retardation may occur when infection is acquired during the first trimester. PCR methods may be useful in identifying T. gondii in CSF of immunosuppressed patients or in the amniotic fluid of mothers thought to be recently infected.
Performing Laboratory
med fusion
