Tropheryma whipplei, PCR, Fluid or Tissue
| Abbrev Code: | MMMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Methodology: | Rapid polymerase chain reaction | ||
| CPT Codes: | 87798 x1 | ||
| 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. |
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Collection Instructions
| Specimen: | CSF, synovial, vitreous humor fluid, or biopsy tissue |
| Optimal Volume: | 0.5 mL fluid; 5 mm tissue |
| Container: | Plastic leakproof container, sterile |
| Collection Instructions: | 0.5 mL CSF, Synovial Fluid, Vitreous 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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