# description
Base values for the order of the items in a list resource.

# concept[].definition
The list was sorted by a user. The criteria the user used are not specified.

# concept[].definition
The list was sorted by the system. The criteria the user used are not specified; define additional codes to specify a particular order (or use other defined codes).

# concept[].definition
The list is sorted by the data of the event. This can be used when the list has items which are dates with past or future events.

# concept[].definition
The list is sorted by the date the item was added to the list. Note that the date added to the list is not explicit in the list itself.

# concept[].definition
The list is sorted by priority. The exact method in which priority has been determined is not specified.

# concept[].definition
The list is sorted alphabetically by an unspecified property of the items in the list.

# concept[].definition
The list is sorted categorically by an unspecified property of the items in the list.

# concept[].definition
The list is sorted by patient, with items for each patient grouped together.