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ICD-10-CM 2027 diagnosis code

X16Contact with hot heating appliances, radiators and pipes

Not billable — use a more specific code

X16 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 X16

X16 is the ICD-10-CM diagnosis code for contact with hot heating appliances, radiators and pipes. 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: X16.XXXA (initial encounter), X16.XXXD (subsequent encounter) and X16.XXXS (sequela).

Don't report X16 together with the conditions in its Excludes1 note: contact with powered appliances (W29.-), exposure to controlled fire in building or structure due to appliance (X02.8) and exposure to industrial appliances electrical current (W86.1).

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 X16

Coding notes

Excludes1Not coded here — never report together with this code
  • contact with powered appliances (W29.-)
  • exposure to controlled fire in building or structure due to appliance (X02.8)
  • exposure to industrial appliances electrical current (W86.1)

Notes that apply from higher levels

Instructions written at a parent level also apply to X16.

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

Alphabetic index entries

20 entries

Terms in the official ICD-10-CM index that lead to X16.

Codes whose notes reference X16

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 X16

Is X16 billable?

No. X16 is a header code. Report one of its more specific subcodes instead.