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ICD-10-CM 2027 diagnosis code

X19Contact with other heat and hot substances

Not billable — use a more specific code

X19 is a header code, so it can't be reported by itself. Choose one of the 3 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About X19

X19 is the ICD-10-CM diagnosis code for contact with other heat and hot substances. It belongs to block X10-X19 (contact with heat and hot substances) and chapter 20 (external causes of morbidity). It is a header code, so it can't be reported by itself; one of its 3 subcodes must be used instead.

To report this condition, pick the subcode that matches the documentation: X19.XXXA (initial encounter), X19.XXXD (subsequent encounter) and X19.XXXS (sequela).

Don't report X19 together with the conditions in its Excludes1 note: objects that are not normally hot, e.g., an object made hot by a house fire (X00-X08).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under X19

Coding notes

Excludes1Not coded here — never report together with this code
  • objects that are not normally hot, e.g., an object made hot by a house fire (X00-X08)

Notes that apply from higher levels

Instructions written at a parent level also apply to X19.

Broader instructions also apply from X10-X19 Contact with heat and hot substances and Chapter 20: External causes of morbidity.

Alphabetic index entries

11 entries

Terms in the official ICD-10-CM index that lead to X19.

Codes whose notes reference X19

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about X19

Is X19 billable?

No. X19 is a header code. Report one of its more specific subcodes instead.