W99.XXXS EXPOSURE TO OTHER MAN-MADE ENVIRONMENTAL FACTORS, SEQUELA

Code Information

Diagnosis Code: W99.XXXS
Short Description: Exposure to other man-made environmental factors, sequela
Long Description: Exposure to other man-made environmental factors, sequela
Code Version: 2025 ICD-10-CM

The code W99.XXXS is VALID for claim submission

Code Classification

External causes of morbidity and mortality (V01–Y99)
- Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
  - Exposure to other man-made environmental factors (W99)

Synonyms

Accident - pressure in aircraft
Accident due to pressure changes in diving
Accident due to sudden change in air pressure in aircraft
Accident due to sudden change in air pressure in aircraft
Accident due to sudden loss of aircraft cabin pressure
Exposure to rapid decompression

Crosswalk Information

ICD-10 Code		ICD-9 Code	ICD-9 Description
W99.XXXS		E929.5	Late eff environment acc

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code	ICD-10 Description
W99	Exposure to other man-made environmental factors
W99.XXXA	Exposure to other man-made environmental factors, initial encounter
W99.XXXD	Exposure to other man-made environmental factors, subsequent encounter

This page was last updated on: 10/1/2025

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