Qualifier for other diagnoses - A qualifier is given for each diagnosis coded under "other
diagnoses" to indicate whether the onset of the diagnosis preceded or followed admission to the
hospital. The option "uncertain" is permitted. Present on Admission requirement.
Admission Date - Month, day, and year. Clarification is added to this data item to note that for
emergency and observation type patients, the time of admission is guided by the time that the physician
gives the order to admit the patient as an inpatient
Date of Birth - 4 digits for year of birth, but 3 digits are adequate to capture the century
Sex - Male Female Undetermined
Race Ethnicity - Race: American Indian/Eskimo/Aleut
Asian or Pacific Islander
Black, White, Other, Race Unknown
Ethnicity: Spanish/Hispanic Origin
Not of Spanish/Hispanic Origin
Unknown
Residence - Usual residence, full address and zip code (9 digit zip code, if available)
Hospital Identification - A unique institutional number across data systems, to allow for tracking
and linkage of multiple records; preferably the National Provider Identifier (NPI)
Type of Admission - Scheduled: defined as an arrangement with the admission office at least 24
hour prior to admission.
Unscheduled: all other admissions