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HelpTest Code PTOX Toxoplasma gondii, Molecular Detection, PCR, Varies
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
VariesNecessary Information
Specimen source is required.
Specimen Required
Submit only 1 of the following specimens:
Specimen Type: Amniotic fluid
Container/Tube: Sterile container
Specimen Volume: 0.5 mL
Collection Instructions: Do not centrifuge.
Specimen Type: Spinal fluid
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Container/Tube:
Preferred: 12 x 75-mm screw cap vial
Acceptable: Sterile vial
Specimen Volume: 0.5 mL
Collection Instructions: Do not centrifuge.
Specimen Type: Fresh tissue
Supplies:M4-RT (T605)
Container/Tube:
Preferred: Multi-microbe medium (eg, M4-RT)
Acceptable: Sterile container with 1 to 2 mL of sterile saline
Specimen Volume: Entire collection
Collection Instructions: Submit only fresh tissue in a sterile container containing 1 mL to 2 mL of sterile saline or multi-microbe medium (M4-RT, M4, or M5)
Specimen Type: Ocular fluid
Supplies: Sarstedt Aliquot Tube 5 mL (T914)
Collection Container: 12 x 75-mm screw cap vial
Specimen Volume: 0.3 mL
Collection Instructions:
1. Aliquot collected fluid into screw-cap vial. Do not submit ocular fluid in syringe.
2. Do not centrifuge or dilute the specimen.
Specimen Minimum Volume
Amniotic Fluid, Ocular Fluid, Spinal Fluid: 0.3 mL
Tissue: 2 × 2 mm biopsy
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Refrigerated (preferred) | 7 days | |
| Frozen | 7 days |
Reference Values
Negative
Day(s) Performed
Monday through Saturday
CPT Code Information
87798
Report Available
Same day/1 to 4 daysReject Due To
| Heat-inactivated specimen | Reject |
Method Name
Polymerase Chain Reaction (PCR)/DNA Probe Hybridization
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.
Testing Algorithm
For more information see Meningitis/Encephalitis Panel Algorithm