Current
W90 — Exposure to other nonionizing radiation
Part of Chapter 20: External causes of morbidity , block Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99) .
Official Notes
Excludes2
exposure to sunlight ( X32 )
7th Character
The appropriate 7th character is to be added to each code from category W90
7th Character
A - initial encounter
7th Character
D - subsequent encounter
7th Character
S - sequela
Child Codes
Referenced By
Official notes on these codes cite W90.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS