W85-W99

Non-Billable
ChapterV00–Y99
Rankblock
Official Description

Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 20: External Causes of Morbidity (V00-Y99).

Instructional Notes

Excludes1(Not coded here)
  • exposure to:
  • failure in dosage of radiation or temperature during surgical and medical care (Y63.2-Y63.5)
  • lightning (T75.0-)
  • natural cold (X31)
  • natural heat (X30)
  • natural radiation NOS (X39)
  • radiological procedure and radiotherapy (Y84.2)
  • sunlight (X32)

Clinical Hierarchy

CH20External causes of morbidity (V00-Y99)
W85-W99Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
W85Exposure to electric transmission lines
W86Exposure to other specified electric current
W88Exposure to ionizing radiation
W89Exposure to man-made visible and ultraviolet light
W90Exposure to other nonionizing radiation
W92Exposure to excessive heat of man-made origin
W93Exposure to excessive cold of man-made origin
W94Exposure to high and low air pressure and changes in air pressure
W99Exposure to other man-made environmental factors

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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