X18.XXXA – Contact with other hot metals, initial encounter
ICD-10-CM 2027 diagnosis code · Contact with heat and hot substances
ICD-10-CM code
X18.XXXA
- Code
X18.XXXA(claims format:X18XXXA)- Description
- Contact with other hot metals, initial encounter
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 20. External causes of morbidity (V00-Y99)
- Block
- X10-X19 Contact with heat and hot substances
- Parent codes
- X18
7th character values
Codes in this category need a 7th character to describe the encounter or episode of care.
| Character | Meaning |
|---|---|
A | initial encounter |
D | subsequent encounter |
S | sequela |
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
X18 – Contact with other hot metals
Applicable to:
- Contact with liquid metal
7th character note:
- The appropriate 7th character is to be added to code X18
Block X10-X19
Related codes in X18
Frequently asked questions
What is ICD-10 code X18.XXXA?
X18.XXXA is the ICD-10-CM code for contact with other hot metals, initial encounter, in the block X10-X19 (Contact with heat and hot substances).
Is X18.XXXA a billable code?
Yes. X18.XXXA is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does X18.XXXA belong to?
It belongs to category X18 – Contact with other hot metals.
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.