| Preferred Sample | EDTA whole blood (2 ml minimum) |
| Fee | $17 |
| Schedule | Days Tested MON | TUE | WED | THU | FRI Turnaround Time Same day results if received by 1:00 p.m. |
| Description | Concentration and identification of microfilariae present in the blood, particularly Dirofilaria immitis (heartworm). |
| Species | Canine | Feline |
| Shipping Requirements | Submit samples on ice. |