2026 ICD-10-CM Diagnosis Code Y27Contact with steam, hot vapors and hot objects, undetermined intent

ICD-10-CM Codes›V01–Y99›Y21-Y33›Y27

ICD-10-CM Y27
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Y27 is a non-billable ICD-10-CM category code for contact with steam, hot vapors and hot objects, undetermined intent, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Y27.0XXA, Y27.0XXD, Y27.0XXS, and Y27.1XXA.

Code Identity

ICD-10-CM Code
Y27
Billable Status
No — Non-Billable Category
Code Describes
Contact with steam, hot vapors and hot objects, undetermined intent
Chapter
Y21-Y33
Event of undetermined intent

Code Classification

ChapterV01–Y99External causes of morbidity and mortality
SectionY21-Y33Event of undetermined intent
CategoryY27Contact with steam, hot vapors and hot objects, undetermined intent
This CodeY27Contact with steam, hot vapors and hot objects, undetermined intent

Specific Coding for Contact w steam, hot vapors and hot objects, undet intentOverview

Non-specific codes like Y27 require more characters. Use one of these billable codes instead:

  • Y27.0 for Contact with steam and hot vapors, undetermined intent

  • Y27.1 for Contact with hot tap water, undetermined intent

  • Y27.2 for Contact with hot fluids, undetermined intent

  • Y27.3 for Contact with hot household appliance, undetermined intent

  • Y27.8 for Contact with other hot objects, undetermined intent

  • Y27.9 for Contact with unspecified hot objects, undetermined intent

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 each code from category Y27

7th Character

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

Patient EducationClinical

Burns

A burn is damage to your body's tissues caused by heat, chemicals, electricity, sunlight, or radiation. Scalds from hot liquids and steam, building fires and flammable liquids and gases are the most common causes of burns. Another kind is an inhalation injury, caused by breathing smoke.

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 Y27Overview

Is Y27 a billable code?

No. This is a category header that groups the codes for contact with steam, hot vapors and hot objects, undetermined intent, and headers cannot be submitted on claims. Claims for contact with steam, hot vapors and hot objects, undetermined intent need a more specific code from this category, such as Y27.0XXA, Y27.0XXD, and Y27.0XXS.