X39.08

X39.08: Exposure to other natural radiation

Non-billable headerICD-10-CM

X39.08 is a non-billable header ICD-10-CM code for exposure to other natural radiation. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category X39

A: initial encounter
D: subsequent encounter
S: sequela

Excludes1 inherited from the categories above X39.08

A category’s note binds every code beneath it.

Written on X39.0: Exposure to natural radiation

contact with and (suspected) exposure to radon and other naturally occurring radiation (Z77.123)
exposure to man-made radiation (W88-W90)
exposure to sunlight (X32)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

Forces of nature›radiation(natural)
Radiation›natural NEC

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead X39.08

3 child codes. Green means billable.

Other codes under X39.0

X39.01Exposure to radon