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ICD-10-CM 2027 diagnosis code

W86.0XXAExposure to domestic wiring and appliances, initial encounter

✓ Billable / specificRequires 7th character

W86.0XXA is a valid, billable ICD-10-CM code for exposure to domestic wiring and appliances, initial encounter. It can be reported on claims for dates of service from October 1, 2026 – September 30, 2027.Short description: Exposure to domestic wiring and appliances, init encntr

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 W86.0XXA

W86.0XXA is the ICD-10-CM diagnosis code for exposure to domestic wiring and appliances, initial encounter. It belongs to category W86 (exposure to other specified electric current), block W85-W99 (exposure to electric current, radiation and extreme ambient air temperature and pressure) and chapter 20 (external causes of morbidity). It is billable, so it can be reported on its own for dates of service from October 1, 2026 through September 30, 2027.

The 7th character "A" means initial encounter: use it while the patient is receiving active treatment for the condition.

It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.

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

Before ICD-10, this condition was coded in ICD-9-CM as E925.0 (accident caused by domestic wiring and appliances).

7th character

Ainitial encounter

Other encounter types for W86.0:

Notes that apply from higher levels

Instructions written at a parent level also apply to W86.0XXA.

Broader instructions also apply from W85-W99 Exposure to electric current, radiation and extreme ambient air temperature and pressure and Chapter 20: External causes of morbidity.

ICD-9-CM equivalent

Converter →
  • E925.0Accident caused by domestic wiring and appliancesapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

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 W86.0XXA

Is W86.0XXA billable?

Yes. W86.0XXA is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

What does the "A" at the end of W86.0XXA mean?

It is the 7th character for initial encounter. Per the official guidelines, use it while the patient is receiving active treatment for the condition.

Can W86.0XXA be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict W86.0XXA as a principal diagnosis.

Is W86.0XXA a CC or MCC?

No. W86.0XXA is neither a CC nor an MCC under MS-DRG v44.0.

What is the ICD-9 code for W86.0XXA?

The CMS General Equivalence Mappings map W86.0XXA to ICD-9-CM E925.0.