Test Name: Diagnostic Section: Fee:
Heartworm (Modified Knott's) Parasitology
Species: Set up days: Turn Around Time:
Canine, Feline M, Tu, W, Th, F  Same day 
Specimen Requirements:    
Whole blood in EDTA only - 1.5 ml minimum
Collection Protocol:    
Collect in EDTA blood tube.  Do not freeze or centrifuge.
Shipping Requirements:    
Refrigerated, in leak proof tube(s).  Overnight or 2-day shipping for samples recommended 
Additional Information:    
Sample to arrive by noon for same day results.  Pathogenic heartworm, Dirofilaria immitis, causes congestive heart failure in dogs.  The Modified Knott's test detects the presence of microfilaria in the blood.