Contact with heat and hot substances (X10-X19) ICD-10-CM
The X10–X19 section covers contact with heat and hot substances with 85 ICD-10-CM diagnosis codes, of which 60 are billable in fiscal year 2027. The section is organized into the 10 code ranges listed below.
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.
Code Ranges in This Section 10 ranges · 85 codes
The info icon previews the code ranges inside each row and its instructional notations from the official Tabular List.
About the X10–X19 Code Range
These codes describe contact with hot liquids, steam, hot air, appliances, machinery, metals and other hot substances.
The categories distinguish what was hot. X10 separates drinks, food, and fats or cooking oils. X11 separates hot tap water in a bath or tub from running hot water and other hot tap water. X12 covers other hot fluids. X13 and X14 distinguish inhalation from other contact with hot vapors or hot gases.
X15 separates household appliances, including stoves, toasters, hotplates and skillets. X16 identifies heating appliances, radiators and pipes; X17 identifies engines, machinery and tools. X18 identifies other hot metals, while X19 identifies other heat and hot substances. Each category has a seventh character for an initial encounter, subsequent encounter or sequela, a later effect.
Questions About This Page
How many codes are in the X10-X19 range?
The X10-X19 range contains 85 ICD-10-CM diagnosis codes in FY 2027. 60 of them are billable, and the rest are category headers that organize the section.
What conditions does X10-X19 cover?
The range covers contact with heat and hot substances. The code ranges listed above break it into groups of related conditions, and each one links to its own page with the full code list.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
