Contact with hot engines, machinery and tools (X17) ICD-10-CM
The X17 code range covers contact with hot engines, machinery and tools with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
- contact with hot heating appliances, radiators and pipes X16
- contact with hot household appliances X15
7th Character Note
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.
- The appropriate 7th character is to be added to code X17
7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
- A - initial encounter
- D - subsequent encounter
- S - sequela
Codes in the X17 Range 4 codes · 3 billable
About the X17 Code Range
Contact with a hot engine, machine, or tool is an external cause involving heat. This includes contact with hot parts of a vehicle engine.
Within the group for contact with heat and hot substances, X17 identifies the hot object involved. Its subdivisions distinguish an initial encounter (X17.XXXA), a subsequent encounter (X17.XXXD), and a sequela, or lasting effect (X17.XXXS).
Questions About This Page
How many billable codes are in the X17 range?
Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the X17 range classify?
The range classifies contact with hot engines, machinery and tools. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
