X39 — Exposure to other forces of nature
Not billable
Is X39 billable?
No — X39 is a non-billable header code. X39 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 9 billable codes beneath X39.
Billable codes under this header
- X39.8XXAOther exposure to forces of nature, initial encounter
- X39.8XXDOther exposure to forces of nature, subsequent encounter
- X39.8XXSOther exposure to forces of nature, sequela
- 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 at a glance
| Code | X39 |
|---|---|
| Description | Exposure to other forces of nature |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
What codes fall under X39? (2)
How long has X39 existed?
X39 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.