Chapter XX

External causes of morbidity and mortality
(V01-Y98)

Accidents
(V01-X59)

Other external causes of accidental injury
(W00-X59)

Exposure to forces of nature
(X30-X39)


[See at the beginning of this chapter for the classification of the place of occurrence and activity]


X30		Exposure to excessive natural heat
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Includes:	excessive heat as the cause of sunstroke exposure to heat NOS
		Excludes:	excessive heat of man-made origin ( W92 )


X31		Exposure to excessive natural cold
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Includes:	excessive cold as the cause of: · chilblains NOS · immersion foot or hand exposure to: · cold NOS · weather conditions
		Excludes:	cold of man-made origin ( W93 ) contact with or inhalation of: · dry ice ( W93 ) · liquefied gas ( W93 )


X32		Exposure to sunlight
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]


X33		Victim of lightning
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Excludes:	fire caused by lightning ( X00-X09 ) injury from fall of tree or other object caused by lightning ( W20 )


X34		Victim of earthquake
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]


X35		Victim of volcanic eruption
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]


X36		Victim of avalanche, landslide and other earth movements
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Includes:	mudslide of cataclysmic nature
		Excludes:	earthquake ( X34 ) transport accident involving collision with avalanche or landslide not in motion ( V01-V99 )


X37		Victim of cataclysmic storm
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Includes:	blizzard cloudburst cyclone hurricane tidal wave caused by storm tornado torrential rain transport vehicle washed off road by storm
		Excludes:	collapse of dam or man-made structure causing earth movement ( X36 ) transport accident occurring after storm ( V01-V99 )


X38		Victim of flood
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Includes:	flood: · arising from remote storm · of cataclysmic nature arising from melting snow · resulting directly from storm
		Excludes:	collapse of dam or man-made structure causing earth movement ( X36 ) tidal wave: · NOS ( X39 ) · caused by storm ( X37 )


X39		Exposure to other and unspecified forces of nature
		[See at the beginning of this chapter for the classification of the place of occurrence and activity]
		Includes:	natural radiation NOS tidal wave NOS
		Excludes:	exposure NOS ( X59.9 )