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Tropheryma whipplei, molecular detection, PCR, blood-994

Test info

Test name:

Tropheryma whipplei, molecular detection, PCR, blood

Test number:

994

Excellian order number:

LAB994

Abbreviation:

MSO

Alternate names:

Whipple's Disease associated bacillus (Tropheryma whipplei)
T. whipplei

Useful for:

Aids in the diagnosis of Whipple disease, especially for identifying inconclusive or suspicious cases

Specimen

Specimen type:

EDTA whole blood

Collection container:

Lavender (EDTA), 4mL

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

Processing instructions:

Do not spin

Transport container:

Lavender (EDTA), 4mL

Alternate processing instructions:

Transfer 1.0 mL EDTA whole blood to a Sterile screw cap vial/tube - 15mL (LabCorp)

Alternate transport container:

Sterile screw cap vial/tube - 15mL (LabCorp)

Transport and stability:

Refrigerated (preferred) - 7 days

Ambient - 7 days

Frozen - 7 days

Reason for rejection:

PCR testing cannot be added on to a sample that has been opened and/or used for other testing. If the sample has already been used for testing, a new specimen will need to be collected.

Performance

Performing lab:

Mayo Clinic Laboratories (WHIPB): R-NX

Days set up:

Mo - Fr

TAT:

2 - 7 days

Method:

Real-Time Polymerase Chain Reaction (PCR)

Clinical and Interpretive info

Reference ranges:

A positive result is considered diagnostic of Whipple disease

Billing

Preauthorization:

This test may require preauthorization from the insurance provider. Check the payer guidelines and, if needed, obtain the pre-authorization prior to sample collection.

CPT codes:

87798

Tracking

Date created:

11/06/2019

Revised date:

06/23/2023

Review date:

06/23/2023