Contact with steam, hot vapors and hot objects, undetermined intent
In Event of undetermined intent (Y21-Y33), chapter 20: External Causes of Morbidity
18 billable codes under Y27: none are a CC or MCC; none map to an HCC.
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Instructional notes
Also applies, from Event of undetermined intent (Y21-Y33)
These notes sit on Y21-Y33 and apply to every code under it, including Y27.
Includes: conditions that are coded here
- Undetermined intent is only for use when there is specific documentation in the record that the intent of the injury cannot be determined. If no such documentation is present, code to accidental (unintentional)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.
- General External Cause Coding Guidelines (page 88)
- Place of Occurrence Guideline (page 89)
- Activity Code (page 89)
- Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
- If the Reporting Format Limits the Number of External Cause Codes (page 90)
- Multiple External Cause Coding Guidelines (page 90)
- Child and Adult Abuse Guideline (page 90)
- Unknown or Undetermined Intent Guideline (page 91)
All codes under Y27
Y27 can't be used on a claim. Pick a billable code below; grey headings group them.
- Y27.0Contact with steam and hot vapors, undetermined intent
- Y27.0XXAContact with steam and hot vapors, undetermined intent, initial encounter
- Y27.0XXDContact with steam and hot vapors, undetermined intent, subsequent encounter
- Y27.0XXSContact with steam and hot vapors, undetermined intent, sequela
- Y27.1Contact with hot tap water, undetermined intent
- Y27.1XXAContact with hot tap water, undetermined intent, initial encounter
- Y27.1XXDContact with hot tap water, undetermined intent, subsequent encounter
- Y27.1XXSContact with hot tap water, undetermined intent, sequela
- Y27.2Contact with hot fluids, undetermined intent
- Y27.2XXAContact with hot fluids, undetermined intent, initial encounter
- Y27.2XXDContact with hot fluids, undetermined intent, subsequent encounter
- Y27.2XXSContact with hot fluids, undetermined intent, sequela
- Y27.3Contact with hot household appliance, undetermined intent
- Y27.3XXAContact with hot household appliance, undetermined intent, initial encounter
- Y27.3XXDContact with hot household appliance, undetermined intent, subsequent encounter
- Y27.3XXSContact with hot household appliance, undetermined intent, sequela
- Y27.8Contact with other hot objects, undetermined intent
- Y27.8XXAContact with other hot objects, undetermined intent, initial encounter
- Y27.8XXDContact with other hot objects, undetermined intent, subsequent encounter
- Y27.8XXSContact with other hot objects, undetermined intent, sequela
- Y27.9Contact with unspecified hot objects, undetermined intent
- Y27.9XXAContact with unspecified hot objects, undetermined intent, initial encounter
- Y27.9XXDContact with unspecified hot objects, undetermined intent, subsequent encounter
- Y27.9XXSContact with unspecified hot objects, undetermined intent, sequela
Y27 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
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 more about burns on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.