Gamma-Glutamyl Transferase (Canine)

Also known as:GGTGGTP

Reference Range

1-10

IU/L

Optimal Range

1-8

IU/L

Critical High

>20

IU/L

GGT is a liver enzyme that's especially sensitive to cholestasis (bile duct obstruction).

Low

Very low GGT is not usually clinically significant.

What to do:

No action needed.

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Canine GGT: 0 IU/L (Low)

Normal

GGT is a liver enzyme that's especially sensitive to cholestasis (bile duct obstruction).

What to do:

No action needed.

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Canine GGT: 5 IU/L

High

High GGT suggests bile duct obstruction, liver damage, or steroid-induced hepatopathy (Cushing's).

What to do:

Your vet will correlate with ALP, bilirubin, and imaging of the liver and gallbladder.

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Canine GGT: 15 IU/L (High)

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