F40.22
Non-billableNatural environment type phobia
F40.22 is the ICD-10-CM code for Natural environment type phobia. It is a non-billable category code — use a more specific child code such as F40.220 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.
What this means — in plain language
MedlinePlus · NIHA phobia is a type of anxiety disorder . It is a strong, irrational fear of something that poses little or no real danger. There are many specific phobias. Acrophobia is a fear of heights. Agoraphobia is a fear of public places, and claustrophobia is a fear of closed-in places. If you become anxious and extremely self-conscious in everyday social situations, you could have a social phobia. Other common phobias…
Read more about Phobias at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labeling- Venlafaxine›
- Paroxetine›
- AlprazolamBenzodiazepine [EPC]›
- Alprazolam Odt C-ivBenzodiazepine [EPC]›
- Venlafaxine Hydrochloride, Extended Release›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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