Use the table in this topic when creating an HL7 message definition to map HL7 datatypes to the corresponding datatype in the message definition.
The HL7 Date, HL7 Time, and HL7 Timestamp datatypes do not support varying precision among different message instances. You must select a specific format for each of these datatypes in your HL7 message. To support different date/time precisions in the same message definition, use the String datatype instead. In this case, validation will not reject incorrectly formatted dates.
| Datatype in HL7 | Corresponding datatype in a message definition |
|---|---|
| String | String |
| Text Data | String |
| Formatted Text | String |
| Numeric | Choose based on the data: Integer, Float, or Double. |
| Seq ID | Integer |
| ID | String |
| IS | String |
| Date | Date
(Date format: yyyyMMdd) |
| Time | Time
(Time format: HHmmss) |
| Time stamp | Custom Date and Time
(Date time format: yyyyMMddHHmmss.SZ) |
| Telephone number | String |
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