MCMCB Pro
W86

W86Exposure to other specified electric current

Non-billable headerICD-10-CM

W86 is a non-billable header ICD-10-CM code for exposure to other specified electric current. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category W86

A
initial encounter
D
subsequent encounter
S
sequela

Other codes that can never be billed with W86

These codes carry an Excludes1 note pointing at W86. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading W86 alone.

  • W29Contact with other powered hand tools and household machinery
  • W30Contact with agricultural machinery
  • W31Contact with other and unspecified machinery
  • X15Contact with hot household appliances
  • X16Contact with hot heating appliances, radiators and pipes
  • X16.XXXAContact with hot heating appliances, radiators and pipes, initial encounter
  • X16.XXXDContact with hot heating appliances, radiators and pipes, subsequent encounter
  • X16.XXXSContact with hot heating appliances, radiators and pipes, sequela

Risk adjustment

W86 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead W86

3 child codes. Green means billable.

Questions about W86

Is W86 a billable ICD-10-CM code?
No. W86 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does W86 sit in the tabular list?
External causes of morbidity (V00-Y99), in the block Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.