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Table 1 Number of codes indicating an adverse drug event (ADE) in the ICD-10 NHS, ICD-10-GM, and ICD-9-CM

From: International prevalence of adverse drug events in hospitals: an analysis of routine data from England, Germany, and the USA

Category Definition ICD-10 NHS (England) ICD-10-GM 2006 (Germany) ICD-9-CM 2006 (USA)
A Caused by a drug or other substance 122 179 275
  A.1 Caused by a drug 44 101 184
  A.2 Caused by a drug or other substance 78 78 91
B Poisoning by or harmful use of a drug or other substance 189 148 232
  B.1 Poisoning by drug 133 133 195
  B.2 Poisoning by or harmful use of a drug or other substance 56 15 37
C ADE very likely 27 30 18
A-C   338 357 525