Appendix A Basic – Definitions Basic Definitions Data Type (DT) The basic building block used to construct or restrict the contents of a data field. – CE Coded element. – CK Composite ID with check digit. – CM Composite – CN Composite ID number and name. – DT Date, Date/time YYYYMMDD – FN Family name – FT Formatted text – ID Coded values for HL7 tables, all components are a ST data type – IS Coded value for user-defined table. – PN person name – SI Sequence ID. A positive integer in the form of an NM field. – ST String, alphanumeric. – TQ Timing/quantity – TS Times stamp, date/time. Exact time if the event, including date/time. – TX Text data – Element/Field A string of characters, see SEQ. – Health Level 7 (HL7[1]) HL7 is a Standards Development Organization (SDO) and focuses on the – interface requirements between healthcare information systems. Maximum Length (LEN) Maximum number of characters that one occurrence of the data field – may occupy. Optionality (OPT) Whether the field is required, optional, or conditional in a segment. – R Required – O Optional – C Conditional – Position (Sequence within the segment, SEQ) See SEQ. – Repetition (RP#) Whether the field may repeat. – N or blank No repetition –
Appendix A – Basic Definitions Basic Definitions Data Type (DT) – The basic building block used to construct or restrict the contents of a data field. CE – Coded element. CK – Composite ID with check digit. CM – Composite CN – Composite ID number and name. DT – Date, Date/time YYYYMMDD FN – Family name FT – Formatted text ID – Coded values for HL7 tables, all components are a ST data type IS – Coded value for user-defined table. PN – person name SI – Sequence ID. A positive integer in the form of an NM field. ST – String, alphanumeric. TQ – Timing/quantity TS – Times stamp, date/time. Exact time if the event, including date/time. TX – Text data Element/Field – A string of characters, see SEQ. Health Level 7 (HL7[1]) – HL7 is a Standards Development Organization (SDO) and focuses on the interface requirements between healthcare information systems. Maximum Length (LEN) – Maximum number of characters that one occurrence of the data field may occupy. Optionality (OPT) – Whether the field is required, optional, or conditional in a segment. R – Required O – Optional C – Conditional Position (Sequence within the segment, SEQ) – See SEQ. Repetition (RP#) – Whether the field may repeat. N or blank – No repetition
History-and-Physical-Standard.docx