All ICD10 Codes

W90

Non-Billable
ChapterV00–Y99
Rankcategory
Official Description

Exposure to other nonionizing radiation

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).

W85-W99 Parent Instructions

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)

Instructional Notes

Excludes2(Not included here)
  • exposure to 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)
W90Exposure to other nonionizing radiation
W90.0Exposure to radiofrequency
W90.1Exposure to infrared radiation
W90.2Exposure to laser radiation
W90.8Exposure to other nonionizing radiation

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to W90:

blockW85-W99
Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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