White Blood Cell Count (Equine)

Also known as:WBCLeukocytes

Reference Range

Critical Low

<2.5

10^9/L

Reference Range

5.4-14.3

10^9/L

Critical High

>20

10^9/L

Also reported in: /uL

Normal WBC indicates a healthy immune system with no obvious signs of active systemic infection or very large stress.

Low

Can indicate acute viral infections, endotoxemia, or bone marrow suppression.

What to do:

Requires immediate veterinary attention as it can precede serious conditions.

Show lab quote format

Equine WBC: Low

Normal

Normal WBC indicates a healthy immune system with no obvious signs of active systemic infection or very large stress.

What to do:

No action needed.

Show lab quote format

Equine WBC: Normal

High

Often a response to bacterial infection, inflammation (like colic or laminitis), or very large exercise/stress.

What to do:

Consult your equine vet, especially if the horse is showing signs of lethargy, fever, or colic.

Show lab quote format

Equine WBC: High

Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.