2026 ICD-10-CM Diagnosis Code X98Assault by steam, hot vapors and hot objects
X98 is a non-billable ICD-10-CM category code for assault by steam, hot vapors and hot objects, so it cannot be submitted on claims. Use a more specific code from this category instead, such as X98.0XXA, X98.0XXD, X98.0XXS, and X98.1XXA.
Code Identity
Code Classification
Specific Coding for Assault by steam, hot vapors and hot objectsOverview
Non-specific codes like X98 require more characters. Use one of these billable codes instead:
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 X98
7th Character
- A - initial encounter
- D - subsequent encounter
- S - sequela
Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.
Indicates that a seventh character is to be assigned to codes in a subcategory.
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
Questions About X98Overview
Is X98 (Assault by steam, hot vapors and hot objects) a billable code?
No. This is a category header that groups the codes for assault by steam, hot vapors and hot objects, and headers cannot be submitted on claims. Claims for assault by steam, hot vapors and hot objects need a more specific code from this category, such as X98.0XXA, X98.0XXD, and X98.0XXS.
