Diagnostic Section: 
Molecular Diagnostics
Test Fee: 
Setup Days: 
Monday, Tuesday, Wednesday, Thursday, Friday
Turn Around Time: 
2-4 days
Shipping Requirements: 
Label all samples. Ship overnight with cold packs in an insulated container. Ship Monday-Thursday only. Blood: EDTA (purple top) tube. Feces, intestinal scraping: sealed, leak-proof container. Do not submit feces in gloves.
Specimen Requirements: 

3-5 mL EDTA whole blood and/or 5 g feces. For post mortem testing, 0.5 g mucosal scraping.

Collection Protocol: 

Ensure thorough mixing of blood in EDTA (e.g. invert tube several times immediately following collection) to prevent clotting. Clotted blood is not suitable for testing. Fresh samples provide the most accurate results. Do not submit feces in gloves.

Additional Information: 

Detection of Neorickettsia risticii, the causative agent of Potomac Horse Fever (PHF), by real time PCR. Test is available as STAT if requested, for an additional fee. Same day results provided for STAT specimens submitted before 10:00 a.m. Results for STAT specimens submitted after 10:00 a.m. receive priority status and are reported as soon as they are available, at least by the following business day. Test also available as part of the Equine Enteric PCR Panel.