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Early cancer detection in dogs with a simple blood draw is now available through select veterinary clinics. Use our clinic locator map to see if there is an OncoK9® provider in your area.

If you are unable to locate a veterinary clinic, or you would prefer to see your own vet, please join our interest list and share an OncoK9 brochure with your veterinarian.


Early Cancer Detection in Dogs with a Simple Blood Draw

OncoK9® is a first-in-class multi-cancer early detection (MCED) test. Pet parents get mammograms and colonoscopies to help detect cancer early. Now, our dogs have OncoK9, a cancer screening test developed specifically for them.

Simple blood draw

Blood Draw

Most cancer tests are either invasive (like a tissue biopsy) or require special equipment (like imaging). OncoK9 requires only a simple blood draw. The sample collection can take place during the same visit when the veterinarian prescribes the test.

Multi-cancer coverage


OncoK9 has demonstrated cancer signal detection across more than 20 cancer types, including 7 of the most common cancers in dogs.

Cutting-edge technology


OncoK9 interrogates millions of cell-free DNA fragments in each blood sample, using sophisticated next-generation sequencing technology and bioinformatics algorithms to detect multiple classes of genomic alterations associated with cancer.

Early detection


By identifying cancer signal in cell-free DNA extracted from a blood sample, OncoK9 may allow for earlier detection of cancer, before the onset of clinical signs.

6 Million New Cancer Cases Per Year in Dogs

1 in 3 lifetime risk of getting cancer
Cancer is the cause of 30% of dog deaths

OncoK9 is recommended as an annual screening test for dogs at higher risk of cancer

Dogs 8 and older have a higher risk of cancer
Certain breeds have a higher risk of cancer

OncoK9 is also recommended as an aid-in-diagnosis test for dogs in whom cancer is suspected

When a veterinarian identifies clinical signs or other clinical findings that may lead them to suspect cancer, they may choose to prescribe OncoK9 as part of their clinical workup.

Common Signs of Cancer in Dogs

  • Decreased or absent appetite
  • Nausea and/or vomiting
  • Unexplained weight loss
  • Difficulty breathing or shortness of breath
  • Bloating or abdominal swelling
  • Unusual odors (malodorous discharge and/or bad breath)
  • Lethargy or exercise intolerance
  • Difficulty chewing or swallowing
  • Weakness and/or collapse
  • Pale gums or tongue
  • Limping or lameness
  • Sores that do not heal
  • Bruising and/or bleeding and/or petechiation
  • Increased frequency and/or volume of urination
  • Painful and/or bloody urination
  • Changes in stool
  • Increased thirst
  • Mass(es) and/or lump(s)
  • Enlarged lymph node(s)

Pet Parent Interest List

If you are unable to locate an OncoK9 provider near you, or prefer to introduce your own vet to PetDx, please share an OncoK9 brochure with your veterinarian and join our interest list below.