Heartworm test cost for dogs
A heartworm test is a quick blood test, usually done once a year. It's a small cost compared with treating the disease.
Last updated: October 2026 · US prices · 2 sources · see sources
What it costs
| Item | Typical US price | Src |
|---|---|---|
| Heartworm test, national average | $71 | [1] |
| Heartworm test, range | $56 to $128 | [1] |
Each source measures something a little different: published clinic prices, national averages or real owner bills. Use them to plan, and ask your vet for a written estimate.
What it is
Most clinics run an in-house antigen test with a few drops of blood and have results in minutes. [2]
When vets recommend it
Yearly testing is recommended even for dogs on prevention, and before starting prevention. [2]
Recovery and aftercare
A positive test is confirmed with more tests before treatment starts. [2]
Medicines vets often use around this treatment: Ivermectin (Heartgard), ProHeart. We don't list doses; your vet will decide what fits your pet.
What affects the cost
- Who does it Board-certified specialists and referral hospitals usually charge more than general practices.
- Your pet's size and health Bigger pets need more anesthesia and medicine, and pets with other illnesses may need extra tests or monitoring.
- Planned or emergency Emergency and after-hours care costs more than a scheduled procedure.
- Where you live Prices in big coastal cities tend to run higher than in smaller towns.
Common questions
How much does heartworm test for dogs cost?
Heartworm test, national average: $71. Heartworm test, range: $56 to $128. Your vet's written estimate is what counts, since prices vary by clinic, region and your pet's needs.
Will pet insurance pay for it?
Many accident-and-illness plans help with treatment like this if the problem isn't pre-existing and any waiting period has passed. Check your policy, and ask your vet for an itemized estimate you can send to the insurer ahead of time.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.