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Test Code PTOX Toxoplasma gondii, Molecular Detection, PCR, Varies

Reporting Name

Toxoplasma gondii PCR

Useful For

Supporting the diagnosis of acute cerebral, ocular, disseminated, or congenital toxoplasmosis

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Varies


Necessary Information


Specimen source is required.



Specimen Required


Submit only 1 of the following specimens:

 

Specimen Type: Amniotic fluid

Container/Tube: Amniotic fluid container

Specimen Volume: 0.5 mL

Collection Instructions: Do not centrifuge.

 

Specimen Type: Spinal fluid

Supplies: Aliquot Tube, 5 mL (T465)

Container/Tube:

Preferred: 12 x 75-mm screw cap vial (T465)

Acceptable: Sterile vial

Specimen Volume: 0.5 mL

Collection Instructions: Do not centrifuge.

 

Specimen Type: Fresh tissue

Supplies: M4-RT (T605)

Container/Tube:

Preferred: Multimicrobe Medium (M4-RT) (T605)

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 multimicrobe medium (M4-RT, M4, or M5)

 

Specimen Type: Ocular fluid

Supplies: Aliquot Tube, 5 mL (T465)

Collection Container: 12 x 75-mm screw cap vial (T465)

Specimen Volume: 0.3 mL

Collection Instructions: Do not centrifuge.


Specimen Minimum Volume

Amniotic Fluid, Ocular Fluid, Spinal Fluid: 0.3 mL
Tissue: 2 × 2mm biopsy

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 7 days
  Frozen  7 days

Reference Values

Negative

Day(s) and Time(s) Performed

Monday through Saturday; Varies

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 U.S. Food and Drug Administration.

CPT Code Information

87798

LOINC Code Information

Test ID Test Order Name Order LOINC Value
PTOX Toxoplasma gondii PCR 42626-2

 

Result ID Test Result Name Result LOINC Value
SRC74 Specimen Source 31208-2
81795 Toxoplasma gondii PCR 42626-2

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

See Meningitis/Encephalitis Panel Algorithm in Special Instructions.