Nested Controls
Nested controls must consist of a field for each control separated by a pipe character ( | ). Only one of these fields will contain information for each row of data.
Example:
PF|001 (CJB)|Sep|23|1975|1|1|215210|LABDATA|hematology|||
PF|001 (CJB)|Sep|23|1975|1|1|215210|LABDATA||urinalysis||
PF|001 (CJB)|Sep|23|1975|1|1|215210|LABDATA|||toxicology|