VAR - Variance Segment

The variance segment contains the data necessary to describe differences that may have occurred at the time when a healthcare event was documented.

HL7 Attribute Table - VAR - Variance Segment

Seq#	Data Element Name	DataType	Usage	Vocabulary	Cardinality	Item #	Length	C.LEN	Flags
VAR
1	Variance Instance ID	EI	R		[1..1]	01212
2	Documented Date/Time	DTM	R		[1..1]	01213
3	Stated Variance Date/Time	DTM	O		[0..1]	01214
4	Variance Originator	XCN	O		[0..*]	01215
5	Variance Classification	CWE	O		[0..1]	01216
6	Variance Description	ST	O		[0..*]	01217		512	#

VAR-1: Variance Instance ID (EI) 01212

Definition: This field contains the unique identifier of the specific variance record.

VAR-2: Documented Date/Time (DTM) 01213

Definition: This field contains the time stamp that identifies the timed occurrence of the variance documentation.

VAR-3: Stated Variance Date/Time (DTM) 01214

Definition: This field contains the time stamp that identifies a stated time of the variance which may be different than the time it was documented.

VAR-4: Variance Originator (XCN) 01215

Definition: This field contains the originator (person or system) documenting the variance.

VAR-5: Variance Classification (CWE) 01216

Definition: This field identifies a categorical set of variances. Classification may be used by applications for presentation and processing functions.

VAR-6: Variance Description (ST) 01217

Definition: This field specifies the details of a variance. The content of the field is a string with optional formatting.