NM Numeric – ST String, alphanumeric. – TX Text data – XTN Extended telecommunication number, replaces TN data type as of version 2.5. – Element/Field A string of characters, see SEQ. – Health Level 7 (HL7[3]) HL7 is a Standards Development Organization (SDO) and focuses on the – interface requirements between healthcare information systems. HL7 version 2.x This includes HL7 version 2.2 through 2.5 this also includes any subset version – (e.g. 2.3.1). Maximum number of characters that one occurrence of the data field Maximum Length (LEN) – may occupy. Optionality (OPT) Whether the field is required, optional, or conditional in a segment. – R Required – O Optional – C Conditional – RE The element is required, but may not always be present (this optionality was made – available in HL7 version 2.4). Position (Sequence within the segment, SEQ) Ordinal position of the data field within the – segment. This number is used to refer to the data field in the text comments that follow the segment definition table. Repetition (RP#) Whether the field may repeat. – N or blank No repetition – Y The may repeat an indefinite or site-determined number of times. – (integer) The field may repeat up to the number of times specified by the integer. – Segment A logical grouping of fields (e.g. MSH, MSA, ERR). – SEQ– Ordinal position of the data field within the segment. This number is used to refer to the data field in the text comments that follow the segment definition table. The table attribute of the data field definition specifies the HL7 identifier for a set of Table (TBL#) – coded values. Delimiter values Delimiter Suggested Encoding Usage Value Character Position Segment <CR> Terminates a segment record. This value cannot be – Terminator changed by implementers Field Separator | Separates two adjacent data fields within a – segment. It also separates the segment ID from the first data field in each segment Component ^ 1 Separates adjacent components of data fields where Separator allowed
NM – Numeric ST – String, alphanumeric. TX – Text data XTN – Extended telecommunication number, replaces TN data type as of version 2.5. Element/Field – A string of characters, see SEQ. Health Level 7 (HL7[3]) – HL7 is a Standards Development Organization (SDO) and focuses on the interface requirements between healthcare information systems. HL7 version 2.x – This includes HL7 version 2.2 through 2.5 this also includes any subset version (e.g. 2.3.1). 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 RE – The element is required, but may not always be present (this optionality was made available in HL7 version 2.4). Position (Sequence within the segment, SEQ) – Ordinal position of the data field within the segment. This number is used to refer to the data field in the text comments that follow the segment definition table. Repetition (RP#) – Whether the field may repeat. N or blank – No repetition Y – The may repeat an indefinite or site-determined number of times. (integer) – The field may repeat up to the number of times specified by the integer. Segment – A logical grouping of fields (e.g. MSH, MSA, ERR). SEQ– Ordinal position of the data field within the segment. This number is used to refer to the data field in the text comments that follow the segment definition table. Table (TBL#) – The table attribute of the data field definition specifies the HL7 identifier for a set of coded values. Delimiter values Delimiter Suggested Value Encoding Character Position Usage Segment Terminator <CR> – Terminates a segment record. This value cannot be changed by implementers Field Separator | – Separates two adjacent data fields within a segment. It also separates the segment ID from the first data field in each segment Component Separator ^ 1 Separates adjacent components of data fields where allowed
Clinical-Acknowledgement-and-Error-Status-Standard.docx