Code used to indicate the disease had by or the condition of a person

Code indicating the treatment activity related to a health condition of a person

Code indicating the date format, time format, or date and time format

Expression of a date, a time, or range of dates, times or dates and times

HC04 refers to the date the disease or condition was first encountered.

Code indicating a Yes or No condition or response

HC05 indicates if the disease or condition has been resolved. A "Y" indicates the disease or condition has been resolved; an "N" indicates the disease or condition has not been resolved.