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Lab Tests Explained

Health blog

Lab Tests Explained

What each blood, urine and PCR test measures, in plain language.

Lab Tests Explained 4 min read

General Blood Picture (GBP): What the Blood Smear Shows

A General Blood Picture is a stained blood smear that a trained person studies under a microscope. It can help show how blood cells look, the types of white cells and whether blood parasites are visible.

18 Oct 2026

Lab Tests Explained 4 min read

Insulin Tests in Dogs and Cats: When a Vet Measures It

An insulin test measures the hormone that moves sugar from the blood into the cells. A vet may ask for it in a dog or cat with unexplained weakness or low blood sugar, and reads it with a sugar result.

18 Oct 2026

Lab Tests Explained 4 min read

Canine-Specific T4: What a Dog-Specific Thyroid Test Means

A canine-specific T4 test measures the main thyroid hormone in a dog's blood using a method and range made for dogs. It can help a vet judge an underactive thyroid, but it is read with TSH and the dog's health.

18 Oct 2026

Lab Tests Explained 4 min read

IgE Blood Tests in Itchy Pets: What They Can and Cannot Show

An IgE blood test can help show whether a dog's or cat's body is making allergy-type antibodies, but it cannot explain every itch. Mite and fungus tests are usually done first, and a vet reads the results together.

18 Oct 2026

Lab Tests Explained 4 min read

Vitamin D in Dogs and Cats: When a Vet Checks It

A vet checks vitamin D in a dog or cat when there are questions about bones, calcium or the kidneys. The result is read together with calcium, phosphorus and parathyroid hormone, never alone.

18 Oct 2026

Lab Tests Explained 4 min read

Babesia canis in Dogs: Signs, Smear and RT-PCR

Babesia canis is a tick-borne parasite that infects a dog's red blood cells. A blood smear can show it, and RT-PCR can confirm it when the smear is unclear.

18 Oct 2026

Lab Tests Explained 4 min read

Vaginal Cytology in Dogs: Timing the Heat and Breeding

Vaginal cytology in dogs studies cells from the vaginal wall on a stained slide. The cells change through the heat cycle, so the test helps a vet judge the stage reached.

18 Oct 2026

Lab Tests Explained 5 min read

Fungal Culture for Ringworm in Dogs and Cats

Fungal culture is the lab test used to confirm ringworm in dogs and cats. Hair and scale from the patch are grown on a special plate, and because fungi grow slowly the result takes longer than most tests.

18 Oct 2026

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