Page:ICD-10-CM (2010).djvu/1893

 :The appropriate 7th character is to be added to each code from category W94
 * A initial encounter
 * D subsequent encounter
 * S sequela
 * W94.0 Exposure to prolonged high air pressure
 * W94.1 Exposure to prolonged low air pressure
 * W94.11 Exposure to residence or prolonged visit at high altitude
 * W94.12 Exposure to other prolonged low air pressure
 * W94.2 Exposure to rapid changes in air pressure during ascent
 * W94.21 Exposure to reduction in atmospheric pressure while surfacing from deep-water diving
 * W94.22 Exposure to reduction in atmospheric pressure while surfacing from underground
 * W94.23 Exposure to sudden change in air pressure in aircraft during ascent
 * W94.29 Exposure to other rapid changes in air pressure during ascent
 * W94.3 Exposure to rapid changes in air pressure during descent
 * W94.31 Exposure to sudden change in air pressure in aircraft during ascent or descent
 * W94.32 Exposure to high air pressure from rapid descent in water
 * W94.39 Exposure to other rapid changes in air pressure during descent

W99 Exposure to other man-made environmental factors

 * The appropriate 7th character is to be added to code W99
 * A initial encounter
 * D subsequent encounter
 * S sequela

=Exposure to smoke, fire and flames (X00-X08)=
 * Excludes1: arson (X97)
 * Excludes2: explosions (W35-W40)
 * lightning (T75.0-)
 * transport accident (V01-V99)

X00 Exposure to uncontrolled fire in building or structure

 * Includes: Conflagration in building or structure
 * Code first any associated cataclysm
 * Excludes2: Exposure to ignition or melting of nightwear (X05)
 * Exposure to ignition or melting of other clothing and apparel (JL:Jump,"X06">X06-)
 * Exposure to other specified smoke, fire and flames (X08.-)
 * The appropriate 7th character is to be added to each code from category X00