October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

W86 Exposure to other specified electric current

All 9 codes in the W86 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

9

Can lead a claim

0

Cannot lead a claim

9

What CMS assigns to W86

None of the 9 codes is assigned a clinical group. None of the 9 is assigned a comorbidity subgroup. None can lead a claim.

Every code in W86

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
W86.0 Exposure to domestic wiring and appliances
W86.0XXAExposure to domestic wiring and appliances, initial encounterCMS: Exposure to domestic wiring and appliances, init encntrCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.0XXDExposure to domestic wiring and appliances, subsequent encounterCMS: Exposure to domestic wiring and appliances, subs encntrCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.0XXSExposure to domestic wiring and appliances, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.1 Exposure to industrial wiring, appliances and electrical machinery
W86.1XXAExposure to industrial wiring, appliances and electrical machinery, initial encounterCMS: Expsr to industr wiring, appliances & electrical mach, initCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.1XXDExposure to industrial wiring, appliances and electrical machinery, subsequent encounterCMS: Expsr to industr wiring, appliances & electrical mach, subsCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.1XXSExposure to industrial wiring, appliances and electrical machinery, sequelaCMS: Expsr to industr wiring, appliances & electrical mach, sqlaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.8 Exposure to other electric current
W86.8XXAExposure to other electric current, initial encounterCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.8XXDExposure to other electric current, subsequent encounterCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone
W86.8XXSExposure to other electric current, sequelaCannot lead a claimExternal cause of injury code not reportable as principal diagnosisNoneNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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