W89.9

W89.9: Exposure to unspecified man-made visible and ultraviolet light

Non-billable headerICD-10-CM

W89.9 is a non-billable header ICD-10-CM code for exposure to unspecified man-made visible and ultraviolet light. 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 W89

A: initial encounter
D: subsequent encounter
S: sequela

Excludes2 inherited from the categories above W89.9

Not part of this code, but both may be coded when both are present.

Written on W89: Exposure to man-made visible and ultraviolet light

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

Radiation›light sources(man-made visible and ultraviolet)
Radiation›man-made visible light
Radiation›ultraviolet(light) (man-made)

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead W89.9

3 child codes. Green means billable.