Tropheryma whipplei, PCR, Fluid or Tissue - LG6066


Sunquest Code:MMMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Methodology:Rapid polymerase chain reaction
CPT Code:87798
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-7 days.
Compliance:

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.



Collection Instructions

Specimen:CSF, synovial, vitreous humor fluid, or biopsy tissue
Optimal Volume:0.5 mL fluid; 5 mm tissue
Collection Instructions:0.5 mL CSF, Synoval FLuid, Vitreous humor fluid; or 5 mm Tissue


Processing and Shipping

Specimen Processing:Do not process.
Shipping Instructions:Ship fluid at refrigerated temperature, fresh tissue frozen, and paraffin block fixed tissue at room temperature.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:TWRP


Interpretive

Reference Range:A positive result strongly suggests a diagnosis of Whipple disease. A negative result does not negate the presence of the organism or active disease, as false-negative results may occur due to inhibition of PCR, sequence variability underlying the primers and/or probes, or the present of Tropheryma whipplei in quantities less than the limit of detection of the assay.
Use:An aid in diagnosis of Whipple disease, especially for identifying inconclusive or suspicious cases.


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