HL7 Data Types
| Data Types | Definition |
|---|---|
| CX | extended composite ID with check digit |
| DLN | driver's license number |
| EI | entity identifier |
| HD | hierarchic designator |
| IS | coded value for user-defined tables |
| NM | numeric |
| PL | person location |
| ST | string data |
| TS | time stamp |
| XPN | extended person name |