A rise in events corresponding to the A09 code was found when the outcome definition was disaggregated by ICD-10 code. Documentation obtained from the World Health Organization confirmed that a change in direct
The most frequent ICD-9-CM code was 0091 (diarrhea and gastroenteritis of presumed infectious origin; n = 89,080; 32.2%); the number of AGE hospital discharges with an RV diagnosis (ICD-9-CM: 00861; rotavirus enteritis) was 82,590, about 30% of the total (Table 1). Table 1. ...