W89Header code — not billable
Exposure to man-made visible and ultraviolet light
- Chapter
- 20. External causes of morbidity
- Category
- W89
- Effective date
- October 1, 2026
Related codes in category W89
W89.0Exposure to welding light (arc)W89.0XXAExposure to welding light (arc), initial encounterYesW89.0XXDExposure to welding light (arc), subsequent encounterYesW89.0XXSExposure to welding light (arc), sequelaYesW89.1Exposure to tanning bedW89.1XXAExposure to tanning bed, initial encounterYesW89.1XXDExposure to tanning bed, subsequent encounterYesW89.1XXSExposure to tanning bed, sequelaYesW89.8Exposure to other man-made visible and ultraviolet lightW89.8XXAExposure to oth man-made visible and ultraviolet light, initYesW89.8XXDExposure to oth man-made visible and ultraviolet light, subsYesW89.8XXSExpsr to oth man-made visible and ultraviolet light, sequelaYes
Frequently asked questions
What is ICD-10 code W89?
W89 is an ICD-10-CM diagnosis code for Exposure to man-made visible and ultraviolet light.
Is W89 a billable code?
No. W89 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is W89 in?
W89 falls under Chapter 20: External causes of morbidity.
When did W89 become effective?
W89 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to W89?
W89 belongs to category W89, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.