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

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



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