X39.01 — Exposure to radon
Is X39.01 billable?
No — X39.01 is a non-billable header code. X39.01 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath X39.01.
Billable codes under this header
X39.01 at a glance
| Code | X39.01 |
|---|---|
| Description | Exposure to radon |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
How is X39.01 listed in the External Cause Index?
These are the routes through the External Cause of Injuries Index that lead to X39.01 — how the injury happened, rather than what the injury was.
- Forces of nature › radon
- Forces of nature › radiation › radon
- Radiation › natural NEC › radon (exposure to)
Excludes1 — never code together — inherited from X39.0
The conditions below can never be reported together with X39.01 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
What codes fall under X39.01? (3)
How long has X39.01 existed?
X39.01 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.