Creatine Kinase (Feline)

Also known as:CKCPK

Reference Range

Critical Low

<30

IU/L

Reference Range

60-380

IU/L

Optimal Range

65-350

IU/L

Critical High

>1200

IU/L

CK is a muscle enzyme. Normal levels mean your cat's muscles are healthy.

Low

Low CK is not clinically significant.

What to do:

No action needed.

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Feline CK: 40 IU/L (Low)

Normal

CK is a muscle enzyme. Normal levels mean your cat's muscles are healthy.

What to do:

No action needed.

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Feline CK: 180 IU/L

High

High CK in cats can result from muscle trauma, seizures, or restraint during blood draw (muscle tension).

What to do:

Mild elevations from restraint are normal. Significant elevations warrant investigation for muscle disease.

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Feline CK: 800 IU/L (High)

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