2027 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 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Exposure to excessive heat of man-made origin
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to W92: its own notes plus those printed at block W85-W99 and Chapter 20. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From Block W85-W99 Exposure to electric current, radiation and extreme ambient air temperature and pressure applies to 99 codes
  • exposure to:
  • failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5)
  • lightning (T75.0-)
  • natural cold (X31)
  • natural heat (X30)
  • natural radiation NOS (X39)
  • radiological procedure and radiotherapy (Y84.2)
  • sunlight (X32)

Notes

General instructions on how these codes are used.

From Chapter 20 (V00-Y99) External causes of morbidity and mortality applies to 7,461 codes
  • This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.

7th Character

Every code in the category takes a 7th character from the listed values, with the placeholder X filling any empty positions before it.

  • The appropriate 7th character is to be added to code W92
Values for category W92 Encounter: Initial, Subsequent, Sequela
  • Ainitial encounter
  • Dsubsequent encounter
  • Ssequela

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name W92, its category, or a range that includes it.

Excludes1 2

These codes carry an Excludes1 note naming W92: they are not reported together with it, unless the two conditions are unrelated.

  • V93.2 Heat exposure on board watercraft
    exposure to man-made heat not aboard watercraft (W92)
  • X30 Exposure to excessive natural heat
    excessive heat of man-made origin (W92)

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index; each main term links to its index entry.

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About W92Overview

What is the ICD-10 code for exposure to excessive heat of man-made origin?

W92 is the ICD-10-CM category for exposure to excessive heat of man-made origin, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.

Can W92 be reported with a code from T75.0?

Not as a rule. The Excludes1 note at block W85-W99, which applies to W92, lists "lightning (T75.0-)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).