Calcium (Feline)

Also known as:Ca

Reference Range

Critical Low

mg/dL

Reference Range

7.8-11.3

mg/dL

Optimal Range

8.2-11

mg/dL

Critical High

>14

mg/dL

Also reported in: mmol/L

Calcium is vital for your cat's bones, teeth, nerves, and heart function.

Low

Low calcium in cats can occur with kidney disease, pancreatitis, or hypoparathyroidism after thyroid surgery.

What to do:

Watch for muscle twitching or lethargy and consult your vet promptly.

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Feline Calcium: 7.0 mg/dL (Low)

Normal

Calcium is vital for your cat's bones, teeth, nerves, and heart function.

What to do:

No action needed.

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Feline Calcium: 9.5 mg/dL

High

High calcium in cats is frequently associated with chronic kidney disease, lymphoma, or no known cause hypercalcemia.

What to do:

Your vet will check kidney values, run imaging, and may recommend dietary changes or medication.

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Feline Calcium: 12.0 mg/dL (High)

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