Home
HelpTest Code TOXB Toxoplasma gondii, Molecular Detection, PCR, Blood
Reporting Name
Toxoplasma gondii PCR, BPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Useful For
Supporting the diagnosis of active toxoplasmosis, particularly in immunocompromised individuals
Method Name
Polymerase Chain Reaction (PCR)/DNA Probe Hybridization
Specimen Required
Container/Tube: Lavender top (EDTA)
Specimen Volume: 1 mL
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.
Specimen Type
Whole Blood EDTASpecimen Minimum Volume
0.3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 7 days | |
| Frozen | 7 days |
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reference Values
Negative
Interpretation
A positive result indicates presence of DNA from Toxoplasma gondii.
Negative results indicate absence of detectable DNA, but do not exclude the presence of organism or active or recent disease.
Day(s) Performed
Monday through Saturday
Report Available
Same day/1 to 4 daysTest Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.CPT Code Information
87798
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 |
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.