Exposure to electric current, radiation and extreme ambient air temperature and pressure
44 codes in this section
About Section W85-W99
Section W85-W99 (W85-W99) covers exposure to electric current, radiation and extreme ambient air temperature and pressure. It sits within the External causes of morbidity chapter (V00-Y99). This section contains 44 ICD-10-CM codes, 0 billable diagnoses you can submit on a claim, and 44 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in W85-W99
Grouped by 3-character root code. Click any code for full detail.
| W86.0 | Exposure to domestic wiring and appliances | Header |
| W86.1 | Exposure to industrial wiring, appliances and electrical machinery | Header |
| W86.8 | Exposure to other electric current | Header |
| W88.0 | Exposure to X-rays | Header |
| W88.1 | Exposure to radioactive isotopes | Header |
| W88.8 | Exposure to other ionizing radiation | Header |
| W89.0 | Exposure to welding light (arc) | Header |
| W89.1 | Exposure to tanning bed | Header |
| W89.8 | Exposure to other man-made visible and ultraviolet light | Header |
| W89.9 | Exposure to unspecified man-made visible and ultraviolet light | Header |
| W90.0 | Exposure to radiofrequency | Header |
| W90.1 | Exposure to infrared radiation | Header |
| W90.2 | Exposure to laser radiation | Header |
| W90.8 | Exposure to other nonionizing radiation | Header |
| W93.0 | Contact with or inhalation of dry ice | Header |
| W93.01 | Contact with dry ice | Header |
| W93.02 | Inhalation of dry ice | Header |
| W93.1 | Contact with or inhalation of liquid air | Header |
| W93.11 | Contact with liquid air | Header |
| W93.12 | Inhalation of liquid air | Header |
| W93.2 | Prolonged exposure in deep freeze unit or refrigerator | Header |
| W93.8 | Exposure to other excessive cold of man-made origin | Header |
| W94.0 | Exposure to prolonged high air pressure | Header |
| W94.1 | Exposure to prolonged low air pressure | Header |
| W94.11 | Exposure to residence or prolonged visit at high altitude | Header |
| W94.12 | Exposure to other prolonged low air pressure | Header |
| W94.2 | Exposure to rapid changes in air pressure during ascent | Header |
| W94.21 | Exposure to reduction in atmospheric pressure while surfacing from deep-water diving | Header |
| W94.22 | Exposure to reduction in atmospheric pressure while surfacing from underground | Header |
| W94.23 | Exposure to sudden change in air pressure in aircraft during ascent | Header |
| W94.29 | Exposure to other rapid changes in air pressure during ascent | Header |
| W94.3 | Exposure to rapid changes in air pressure during descent | Header |
| W94.31 | Exposure to sudden change in air pressure in aircraft during descent | Header |
| W94.32 | Exposure to high air pressure from rapid descent in water | Header |
| W94.39 | Exposure to other rapid changes in air pressure during descent | Header |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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