Is ICD-10-CM code X16 billable?

No, X16 (Contact with hot heating appliances, radiators and pipes) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code X16 belong to?

X16 belongs to Chapter 20 of the ICD-10-CM tabular list: V00–Y99 (External Causes of Morbidity).

X16Not billable, use a more specific code below

Contact with hot heating appliances, radiators and pipes

In Contact with heat and hot substances (X10-X19), chapter 20: External Causes of Morbidity

3 billable codes under X16: none are a CC or MCC; none map to an HCC.

Instructional notes

Excludes1: not coded here, use a different 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)

Also applies, from Contact with heat and hot substances (X10-X19)

These notes sit on X10-X19 and apply to every code under it, including X16.

Excludes1: not coded here, use a different code

exposure to excessive natural heat (X30)
exposure to fire and flames (X00-X08)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers how to report external cause codes (V00-Y99) describing cause, intent, place, activity, and status. They are never principal or first-listed, and reporting is voluntary unless required.

General External Cause Coding Guidelines (page 88)
Place of Occurrence Guideline (page 89)
Activity Code (page 89)
Place of Occurrence, Activity, and Status Codes Used with other External Cause Code (page 89)
If the Reporting Format Limits the Number of External Cause Codes (page 90)
Multiple External Cause Coding Guidelines (page 90)
Child and Adult Abuse Guideline (page 90)
Unknown or Undetermined Intent Guideline (page 91)

Read Section I.C.20 (page 87), 3 more topics

All codes under X16

X16 can't be used on a claim. Pick a billable code below; grey headings group them.

X16 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to X16

Notes on these codes point to X16.

X15 Excludes1: contact with heating appliances (X16)
X17 Excludes1: contact with hot heating appliances, radiators and pipes (X16)

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.