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Volume 10, Number 9—September 2004

Perspective

Deaths due to Unknown Foodborne Agents

Paul D. Frenzen*Comments to Author 
Author affiliation: *U.S. Department of Agriculture, Washington, D.C., USA

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Table 2

Modified ICD-9 and ICD-9-CM definitions of deaths attributable to gastroenteritis of unknown etiology

ICD-9ICD-9-CM
Any death with an ICD-9 009.0, 009.2, or 558 code, excluding
1) radiation gastroenteritis deaths, identified by a 558 code plus the supplemental code for an abnormal reaction to a radiological procedure or therapy (E879.2)a
2) toxic gastroenteritis deaths, identified by a 558 code plus any supplemental code for poisoning (909.0, 909.1, 960.0-989.9, E850.0-E869.9, E950.0-E950.9, E980.0-E980.9)a
3) drug-induced diarrhea deaths, identified by a 558 code plus any supplemental code for an adverse drug reaction (E930.0-E949.9), or by a 009.0 or 009.2 code plus any supplemental code for an adverse reaction to an antibiotic (E930.0-E931.0)aAny death with an ICD-9-CM 009.0-009.3, 558.9, or 787.91 code, excluding
1) drug-induced diarrhea deaths, identified by a 558.9 or 787.91 code plus any supplemental code for an adverse drug reaction (E930.0-E949.9), or else by a 009.0-009.3 code plus any supplemental code for an adverse reaction to an antibiotic (E930.0-E931.0)b

aThe supplemental code must be listed on the same line or one line after the code for gastroenteritis of unknown etiology on part I of the death certificate (for conditions resulting in death), or else both codes must be listed together on part II of the death certificate (for other contributing conditions).
bSupplemental codes on NHDS files are not explicitly associated with other diagnoses. Therefore, gastroenteritis of unknown etiology was assumed to be drug-induced if any other diagnosis was one of the specified adverse drug reactions.

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