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HelpCatalog ID WHIPB Tropheryma whipplei, Molecular Detection, PCR, Blood
Useful For
Aiding in the diagnosis of Whipple disease, especially for identifying inconclusive or suspicious cases, using whole blood specimens
Specimen Required
The high sensitivity of amplification by polymerase chain reaction requires the specimen to be processed in an environment in which contamination of the specimen by Tropheryma whipplei DNA is unlikely.
Container/Tube:
Preferred: Lavender top (EDTA)
Acceptable: Royal blue top (EDTA), pink top (EDTA), or sterile vial containing EDTA-derived aliquot
Specimen Volume: 1 mL
Collection Instructions: Send whole blood specimen in original tube (preferred)
Collect 1.0 mL blood in Purple top tube.
Reference Values
Not applicable
Day(s) Performed
Monday through Friday
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Reporting Name
Tropheryma whipplei PCR, BPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
Whole Blood EDTASpecimen Minimum Volume
0.5 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Whole Blood EDTA | Refrigerated (preferred) | 7 days | |
| Ambient | 7 days | ||
| Frozen | 7 days |
Test 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 |
|---|---|---|
| WHIPB | Tropheryma whipplei PCR, B | 97205-9 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| SRC89 | Specimen Source | 31208-2 |
| 56064 | Tropheryma whipplei PCR, B, Result | 97205-9 |
Method Name
Real-Time Polymerase Chain Reaction (PCR)
Testing Algorithm
For more information see Infective Endocarditis: Diagnostic Testing for Identification of Microbiological Etiology
Special Instructions
Forms
If not ordering electronically, complete, print, and send 1 of the following forms with the specimen:
-Microbiology Test Request (T244)