Exposure to other man-made environmental factors (W99)
Browse all the diagnosis codes used for exposure to other man-made environmental factors (w99). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.
Instructional Notations
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.
- The appropriate 7th character is to be added to code W99
7th Character
Indicates that a seventh character is to be assigned to codes in a subcategory.
- A - initial encounter
- D - subsequent encounter
- S - sequela
External causes of morbidity and mortality (V01–Y99)
Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
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
- W99.XXXS Exposure to other man-made environmental factors, sequela
Exposure to other man-made environmental factors (W99)