ICD-10-CM Tabular Index · Chapter 20 · FY 2026 W85

Exposure to electric transmission lines (W85) ICD-10-CM

The W85 code range covers exposure to electric transmission lines with 4 ICD-10-CM diagnosis codes. 3 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
4
Diagnosis Codes
3
Billable Codes
W85
Code Range
W85–W99
Parent Section

Inclusion Terms

These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

7th Character Note

Certain ICD-10-CM categories have applicable 7th characters. The applicable 7th character is required for all codes within the category, or as the notes in the Tabular List instruct. The 7th character must always be the 7th character in the data field. If a code that requires a 7th character is not 6 characters, a placeholder X must be used to fill in the empty characters.

7th Character

Indicates that a seventh character is to be assigned to codes in a subcategory.

ICD-10-CM

Codes in the W85 Range 4 codes · 3 billable

4 of 4 shown
  • W85 Exposure to electric transmission linesNon-billable
  • W85.XXXA Exposure to electric transmission lines, initial encounter
  • W85.XXXD Exposure to electric transmission lines, subsequent encounter
  • W85.XXXS Exposure to electric transmission lines, sequela

About the W85 Code Range

The ICD-10 code W85 covers exposure to electric transmission lines, including initial encounters, subsequent encounters, and sequela. These codes are used to document injuries caused specifically by electric currents from high-voltage transmission lines.

These codes address incidents such as accidents from central electric currents or broken power lines that result in electric shock or injury through the passage of current through tissue. Coders use W85.XXXA for the initial encounter when the injury first occurs, W85.XXXD for follow-up care related to the same injury, and W85.XXXS for conditions that arise as complications or late effects of the original exposure. Terms like "accident caused by central electric current" and "exposure to current from electric transmission lines" help clarify the appropriate use of this section. These codes are essential for accurately capturing the clinical details and external cause of injuries related to electric transmission lines in medical records and billing.

Questions About This Page

How many billable codes are in the W85 range?

Of the 4 codes in this range, 3 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.

What does the W85 range classify?

The range classifies exposure to electric transmission lines. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.