2026 ICD-10-CM Diagnosis Code X32Exposure to sunlight

ICD-10-CM CodesV01–Y99X30-X39X32

ICD-10-CM X32
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

X32 is a non-billable ICD-10-CM category code for exposure to sunlight, so it cannot be submitted on claims. Use a more specific code from this category instead, such as X32.XXXA, X32.XXXD, and X32.XXXS.

Code Identity

ICD-10-CM Code
X32
Billable Status
No — Non-Billable Category
Code Describes
Exposure to sunlight
Chapter
X30-X39
Exposure to forces of nature

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionX30-X39Exposure to forces of nature
CategoryX32Exposure to sunlight
This CodeX32Exposure to sunlight

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • man-made radiation tanning bed W89

Type 2 Excludes

  • radiation-related disorders of the skin and subcutaneous tissue L55 L59

7th Character Note

  • The appropriate 7th character is to be added to code X32

7th Character

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Patient EducationClinical

Sun Exposure

Ultraviolet (UV) rays are an invisible form of radiation. They can pass through your skin and damage your skin cells. Sunburns are a sign of skin damage. Suntans aren't healthy, either. They appear after the sun's rays have already killed some cells and damaged others.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About X32Overview

Is X32 (Exposure to sunlight) a billable code?

No. This is a category header that groups the codes for exposure to sunlight, and headers cannot be submitted on claims. Claims for exposure to sunlight need a more specific code from this category, such as X32.XXXA, X32.XXXD, and X32.XXXS.