Tropheryma whipplei PCR
Test Mnemonic
WHIPWB
CPT Codes
- 87798 - QTY (1)
Aliases
- Whipple DNA
Performing Laboratory
ARUP
Specimen Requirements
Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
---|---|---|---|---|---|
1 mL | Whole blood | EDTA (Lavender) | Frozen | Transfer 1 mL whole blood into sterile aliquot tube. Specimen source required. | |
1 mL | Plasma | EDTA (Lavender) | Frozen | Transfer 1 mL plasma into sterile aliquot tube. Specimen source required. | |
1 mL | Serum | SST (Gold) | Frozen | Transfer 1 mL serum into sterile aliquot tube. Specimen source required. |
Alternate Specimen Requirements
Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
---|---|---|---|---|---|
1 mL | Cerebrospinal fluid (CSF) | Sterile container | Frozen | Specimen source required. | |
Unspecified | Tissue | Sterile container | Frozen | Transfer tissue to sterile container and freeze immediately. Specimen source required. Do not send tissues in optimal cutting temperature compound. | |
Unspecified | Tissue, paraffin embedded | Sterile container | Ambient | Formalin-fixed paraffin-embedded (FFPE) tissue. Specimen source required. |
Minimum Specimen Requirements
Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
---|---|---|---|---|---|
0.5 mL | Whole blood, plasma, serum, CSF |
Stability
Environmental Condition | Description |
---|---|
Frozen | Whole blood, plasma, serum, CSF: 1 month; Tissue: 1 month; FFPE: Unacceptable |
Refrigerated | Whole blood, plasma, serum, CSF: 2 weeks; Tissue: Unacceptable; FFPE: Indefinitely |
Ambient | Whole blood, plasma, serum, CSF: 24 hours; Tissue: Unacceptable; FFPE: Indefinitely |
Days Performed
Tue, Fri
Turnaround Time
3 - 6 days
Methodology
Name | Description |
---|---|
Qualitative Polymerase Chain Reaction |
Reference Range
Special Info
Must indicate specimen source. Heparinized specimens and tissues in optimal cutting temperature compound are unacceptable. This test is New York DOH approved.
Clinical Info
Useful for diagnosis of Whipple's Disease in histopathologically inconclusive or suspicious cases.