Exposure to other man-made environmental factors W99

The ICD10 code for the diagnosis "Exposure to other man-made environmental factors" is "W99". W99 is NOT a 'valid' or 'billable' ICD10 code. Please select a more specific diagnosis below.

• W99 should not be used for reimbursement purposes. Please select a more specific diagnosis below.
• The 2019 edition of ICD-10-CM W99 became effective on October 1, 2018.
• This is the American ICD-10-CM version of W99 - other international versions of ICD-10 W99 may differ.

Codes: = Billable

• 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

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.