Table 1.

International Classification of Diseases (ICD) codes for sudden infant death syndrome and related diagnostic groups

Group of diagnoses	Individual diagnosis	ICD-8	ICD-9	ICD-10
Symptoms, signs and ill-defined conditions		780–791, 793–796	780–799	R00–R99
	Sudden infant death syndrome	795	798.0	R95
	Ill-defined and unknown causes of mortality	795–796	798.1–799.9	R96–R99
	Other symptoms, signs and ill-defined conditions	793–794	780–797	R00–R94
Unintentional suffocation		E911–913*	E911–913*	W75–W84*
Diseases of the respiratory system		460–519	460–519	J00–J99

*includes diagnoses such as accidental suffocation and strangulation in bed (E913.0/W75) and unspecified threat to breathing (E913.9/W84).