Hematocrit (Canine)

Also known as:HCTPCVPacked Cell Volume

Reference Range

Critical Low

<20

Reference Range

37-55

Critical High

>65

Also reported in: L/L

Hematocrit measures the proportion of blood made of red blood cells. Normal levels mean healthy oxygen transport.

Low

A low percentage indicates anemia, which means reduced oxygen carrying capacity. Causes include blood loss, parasites, or immune issues.

What to do:

Your vet will look for the underlying cause of anemia, such as checking for fleas, ticks, or internal bleeding.

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Canine HCT: 30% (Low)

Normal

Hematocrit measures the proportion of blood made of red blood cells. Normal levels mean healthy oxygen transport.

What to do:

No action needed.

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Canine HCT: 45%

High

High levels most commonly indicate dehydration. Less commonly, it can be a bone marrow overproduction issue.

What to do:

Ensure your dog has plenty of fresh water. If they are well-hydrated, consult your vet.

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Canine HCT: 60% (High)

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