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Ehrlichia ewingii DNA, Real-Time PCR
Test Code70194
Preferred Specimen
Lavender Top
Minimum Volume
0.3 mL
Other Acceptable Specimens
Tick (preferably in ethanol or ethanol-wet tissue)
Transport Container
EDTA (lavender-top) tube or ACD (yellow-top) tube
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Whole blood
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 day
Tick
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 day
Tick
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Sodium heparin (green-top) tube • Lithium heparin (green-top) tube
Methodology
Real-Time Polymerase Chain Reaction
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Mon-sat
Reference Range
Not detected
Clinical Significance
The Ehrlichia ewingii DNA PCR test is highly sensitive and specific, and can be used to confirm the diagnosis of human ehrlichiosis especially during the acute phase of the disease.
