X39.0 — Exposure to natural radiation
Not billable
Is X39.0 billable?
No — X39.0 is a non-billable header code. X39.0 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 6 billable codes beneath X39.0.
Billable codes under this header
- X39.01XAExposure to radon, initial encounter
- X39.01XDExposure to radon, subsequent encounter
- X39.01XSExposure to radon, sequela
- X39.08XAExposure to other natural radiation, initial encounter
- X39.08XDExposure to other natural radiation, subsequent encounter
- X39.08XSExposure to other natural radiation, sequela
X39.0 at a glance
| Code | X39.0 |
|---|---|
| Description | Exposure to natural radiation |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with X39.0 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 X39.0? (2)
How long has X39.0 existed?
X39.0 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.