X98 – Assault by steam, hot vapors and hot objects
ICD-10-CM 2027 diagnosis code · Assault
ICD-10-CM code
X98
- Code
X98(claims format:X98)- Description
- Assault by steam, hot vapors and hot objects
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- X92-Y09 Assault
Billable codes under X98
X98 is a header code and cannot be used on claims. Choose the most specific code:
- X98.0 – Assault by steam or hot vaporsHeader (more codes below)
- X98.1 – Assault by hot tap waterHeader (more codes below)
- X98.2 – Assault by hot fluidsHeader (more codes below)
- X98.3 – Assault by hot household appliancesHeader (more codes below)
- X98.8 – Assault by other hot objectsHeader (more codes below)
- X98.9 – Assault by unspecified hot objectsHeader (more codes below)
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes for X98
7th character note:
- The appropriate 7th character is to be added to each code from category X98
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block X92-Y09
Includes:
- homicide
- injuries inflicted by another person with intent to injure or kill, by any means
Frequently asked questions
What is ICD-10 code X98?
X98 is the ICD-10-CM code for assault by steam, hot vapors and hot objects, in the block X92-Y09 (Assault).
Is X98 a billable code?
No. X98 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.