ICD-10-CM X39.01 is the diagnosis code for Exposure to radon. This code falls under the section "Exposure to forces of nature" within Chapter 20 — External causes of morbidity (V00-Y99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where X39.01 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, X39.01 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
X39.01 is the ICD-10-CM diagnosis code for "Exposure to radon". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of X39.01 is X39.0 ("Exposure to natural radiation"). X39.01 provides a more specific classification within this category.
X39.01 is located in Section X30-X39 — "Exposure to forces of nature" within Chapter 20 of the ICD-10-CM Tabular List.
Use X39.01 when the patients documented diagnosis matches "Exposure to radon" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Exposure to radon is X39.01.
Yes, X39.01 can be used as a primary diagnosis code since it is billable and specific.
X39.01 is in Chapter 20 of the ICD-10-CM Tabular List.
Yes, X39.01 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.