2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Injury And Poisoning 800-999 > Poisoning By Drugs, Medicinals And Biological Substances 960-979 > ICD-9-CM Diagnosis 973 Poisoning by agents primarily affecting the gastrointestinal system 973 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 973.0 Poisoning by antacids and antigastric secretion drugs 973.0 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.1 Poisoning by irritant cathartics 973.1 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.2 Poisoning by emollient cathartics 973.2 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.3 Poisoning by other cathartics including intestinal atonia 973.3 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.4 Poisoning by digestants 973.4 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.5 Poisoning by antidiarrheal drugs 973.5 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.6 Poisoning by emetics 973.6 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.8 Poisoning by other specified agents primarily affecting the gastrointestinal system 973.8 is a specific code that can be used to specify a diagnosis ICD-9-CM Diagnosis 973.9 Poisoning by unspecified agent primarily affecting the gastrointestinal system 973.9 is a specific code that can be used to specify a diagnosis