K09
Non-billableCysts of oral region, not elsewhere classified
K09 is the ICD-10-CM code for Cysts of oral region, not elsewhere classified. It is a non-billable category code — use a more specific child code such as K09.0 for billing.
- Status
- Header (non-billable)
- Chapter
- K00-K95
- Subcodes
- 4
- Edition
- FY2026
K00-K95 Diseases of the digestive system
What this means — in plain language
MedlinePlus · NIHYour mouth is one of the most important parts of your body. It has many different functions. It allows you to: Take in food and drink Breathe in air Start digestion, with your teeth chewing the food you eat and your salivary glands releasing saliva to help break down the food Speak and sing Show emotion, by smiling or pouting Any problem that affects your mouth can make it hard to eat, drink, or even smile. Some…
Read more about Mouth Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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