Cobalamin / Vitamin B12 (Feline)

Also known as:CobalaminB12

Reference Range

Critical Low

<200

ng/L

Reference Range

270-610

ng/L

Optimal Range

300-580

ng/L

Critical High

>800

ng/L

Also reported in: pg/mL

Cobalamin is an essential vitamin absorbed in the small intestine. Normal levels suggest healthy intestinal function.

Low

Low B12 in cats is strongly associated with chronic GI disease (IBD, lymphoma) or EPI. It indicates poor absorption.

What to do:

Your cat will need B12 injections and a veterinary workup to diagnose the underlying small intestinal disease.

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Feline Cobalamin: 220 ng/L (Low)

Normal

Cobalamin is an essential vitamin absorbed in the small intestine. Normal levels suggest healthy intestinal function.

What to do:

No action needed.

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Feline Cobalamin: 400 ng/L

High

High B12 is rarely a concern but can occur with excessive supplementation.

What to do:

No action needed.

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Feline Cobalamin: 700 ng/L (High)

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