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Table 1 International Classification of Diseases (ICD) codes for sudden infant death syndrome and related diagnostic groups

From: Association between sudden infant death syndrome and diphtheria-tetanus-pertussis immunisation: an ecological study

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