X98
⚠ Non-billable
Assault by steam, hot vapors and hot objects
ICD-10-CM · FY2026 · External Causes of Morbidity
Code
X98
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
External Causes of Morbidity
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code X98?
ICD-10-CM code X98 represents Assault by steam, hot vapors and hot objects. It is a non-billable header code requiring a more specific subcategory in the External Causes of Morbidity chapter, effective October 1, 2025 – September 30, 2026.
Is X98 billable?
No. X98 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is X98 in?
X98 belongs to the External Causes of Morbidity chapter (V00–Y99) of ICD-10-CM.
Related codes in the X98 category
X98.0
Assault by steam or hot vapors
Non-billable
X98.1
Assault by hot tap water
Non-billable
X98.2
Assault by hot fluids
Non-billable
X98.3
Assault by hot household appliances
Non-billable
X98.8
Assault by other hot objects
Non-billable
X98.9
Assault by unspecified hot objects
Non-billable
X98.0XXA
Assault by steam or hot vapors, initial encounter
Billable
X98.0XXD
Assault by steam or hot vapors, subsequent encounter
Billable
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