X39.01
BillableExposure to radon
X39.01 is the ICD-10-CM code for Exposure to radon. It is a billable, specific code valid for reimbursement.
V00-Y99 External causes of morbidity
What this means — in plain language
MedlinePlus · NIHWhat is radon? Radon is a naturally occurring radioactive gas. It is invisible and has no odor or taste. It comes from the normal decay of uranium and thorium. These are two chemical elements that can be found in soil, rock, and groundwater. Radon breaks down quickly, giving off radioactive particles. Over time, breathing in high levels of these particles can cause lung cancer . How would I be exposed to radon?…
Read more about Radon at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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