Ordering Recommendation

Aid in the diagnosis of Whipple disease for inconclusive or suspicious cases.

Mnemonic

TWHIPPCR

Methodology

Qualitative Polymerase Chain Reaction

Performed

Tue, Fri

Reported

2-5 days

New York DOH Approval Status

This test is New York DOH approved.

Specimen Required

Patient Preparation
Collect

Lavender (EDTA), Pink (K2EDTA), or Serum Separator Tube (SST). Also acceptable: CSF or tissue.

Specimen Preparation

Transfer 1 mL serum, plasma, whole blood, or CSF to a sterile container. (Min: 0.5 mL)
Tissue: Transfer to a sterile container and freeze immediately. Also acceptable: Formalin-fixed paraffin-embedded (FFPE) tissue.

Storage/Transport Temperature

FFPE: Room temperature.
All Others: Frozen.

Unacceptable Conditions

Heparinized specimens, tissues in optimal cutting temperature compound.

Remarks

Specimen source required

Stability

Tissue: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
FFPE: Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
All Others: Ambient: 24 hours; Refrigerated: 2 weeks; Frozen: 1 month

Reference Interval

Interpretive Data

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note

Hotline History

N/A

CPT Codes

87798

Components

Component Test Code* Component Chart Name LOINC
2013291 T. whipplei Source 31208-2
2013292 T. whipplei by PCR 46725-8
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

Tropheryma whipplei PCR