Resting Cortisol (Canine)

Also known as:CORT

Reference Range

1-5

ug/dL

Low

Low cortisol can indicate hypoadrenocorticism (Addison's), a serious but treatable condition.

What to do:

Requires immediate ACTH stimulation testing.

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Normal

What to do:

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High

High resting cortisol can indicate stress or hyperadrenocorticism (Cushing's).

What to do:

Your vet will likely recommend a dynamic test (LDDST or ACTH stimulation) to confirm Cushing's.

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