18.3.22 RCD - row column definition (2A.3.62)

HL7 Component Table - RCD - Row Column Definition

Core Framework									Base Standard Profile
Seq#	Description	Interpretation	Flags	Cardinality	Length	C.LEN	Vocabulary	Data Type	Implement	Cardinality	Vocabulary
RCD
1	Segment Field Name			[0..1]				ST
2	HL7 Data Type			[0..1]			dataTypes (CD VS)	ID			(CS)
3	Maximum Column Width			[0..1]				NM

Definition: This specifies the format of a column in terms of a segment field name, a data type, and a maximum length.

Example: This defines a column containing the value of the "last name" component of PID-5, expressed as a ST data type with a maximum width of 20.

|@PID.5.1^ST^20|

18.3.22.1 Segment Field Name (ST) (2A.3.62.0)

Definition: The HL7 segment field name, which identifies the field occupying the column. Refer to Section 2.A.59.1, "Segment Field Name (ST)," for segment field name definition conventions.

18.3.22.2 HL7 Data Type (ID) (2A.3.62.1)

Definition: The two or three character HL7 data type. Refer to HL7 Table 0440 - Data Types for valid values.

18.3.22.3 Maximum Column Width (NM) (2A.3.62.2)

Definition: The maximum width of the column, as dictated by the responding system. This may vary from the HL7-defined maximum field length.