F40.21
Non-billableAnimal type phobia
F40.21 is the ICD-10-CM code for Animal type phobia. It is a non-billable category code — use a more specific child code such as F40.210 for billing.
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
Phobias restricted to highly specific situations such as proximity to particular animals, heights, thunder, darkness, flying, closed spaces, urinating or defecating in public toilets, eating certain foods, dentistry, or the sight of blood or injury. Though the triggering situation is discrete, contact with it can evoke panic as in agoraphobia or social phobia.
No additional coding notes for this code.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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