2026 ICD-10-CM Diagnosis Code W92Exposure to excessive heat of man-made origin

ICD-10-CM Codes›V01–Y99›W85-W99›W92

ICD-10-CM W92
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

W92 is a non-billable ICD-10-CM category code for exposure to excessive heat of man-made origin, so it cannot be submitted on claims. Use a more specific code from this category instead, such as W92.XXXA, W92.XXXD, and W92.XXXS.

Code Identity

ICD-10-CM Code
W92
Billable Status
No — Non-Billable Category
Code Describes
Exposure to excessive heat of man-made origin
Chapter
W85-W99
Exposure to electric current, radiation and extreme ambient air temperature and pressure

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionW85-W99Exposure to electric current, radiation and extreme ambient air temperature and pressure
CategoryW92Exposure to excessive heat of man-made origin
This CodeW92Exposure to excessive heat of man-made origin

Tabular List NotesGuidance

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

7th Character Note

  • The appropriate 7th character is to be added to code W92

7th Character

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

Patient EducationClinical

Heat Illness

Your body normally cools itself by sweating. During hot weather, especially when it is very humid, sweating just isn't enough to cool you off. Your body temperature can rise to dangerous levels and you can develop a heat illness.

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 W92Overview

Is W92 (Exposure to excessive heat of man-made origin) a billable code?

No. This is a category header that groups the codes for exposure to excessive heat of man-made origin, and headers cannot be submitted on claims. Claims for exposure to excessive heat of man-made origin need a more specific code from this category, such as W92.XXXA, W92.XXXD, and W92.XXXS.