ICD-10-CM › V00-Y99 › W85-W99 › W99 Exposure to other man-made... › W99.XXXA
Exposure to other man-made environmental factors, initial encounter
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Exposure to other man-made environmental factors, initial encounter
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from W99 Exposure to other man-made environmental factors
Seventh character required
- The appropriate 7th character is to be added to code W99
Inherited from the W85-W99 section Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
Excludes1 - never 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)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Exposure > factor NOS > environmental NEC > man-made NEC
Codes in the same group
| Code | Description | Status |
|---|---|---|
| W99.XXXD | Exposure to other man-made environmental factors, subsequent encounter | Valid |
| W99.XXXS | Exposure to other man-made environmental factors, sequela | Valid |