| Code | Description | Version |
| AD | Address | added v2.4 |
| AUI | Authorization information | added v2.5 |
| CCD | Charge code and date | added v2.5 |
| CCP | Channel calibration parameters | added v2.5 |
| CD | Channel definition | added v2.4 |
| CE | Coded element | added v2.4 |
| CF | Coded element with formatted values | added v2.4 |
| CK | Composite ID with check digit | added v2.4 |
| CM | Composite | added v2.4 |
| CN | Composite ID number and name | added v2.4 |
| CNE | Coded with no exceptions | added v2.4 |
| CNN | Composite ID number and name simplified | added v2.7 |
| CNS | Composite ID number and name simplified | added v2.5, removed after v2.6 |
| CP | Composite price | added v2.4 |
| CQ | Composite quantity with units | added v2.4 |
| CSU | Channel sensitivity and units | added v2.5 |
| CWE | Coded with exceptions | added v2.4 |
| CX | Extended composite ID with check digit | added v2.4 |
| DDI | Daily deductible information | added v2.5 |
| DIN | Date and institution name | added v2.5 |
| DLD | Discharge to location and date | added v2.5 |
| DLN | Driver's license number | added v2.4 |
| DLT | Delta | added v2.5 |
| DR | Date/time range | added v2.4 |
| DT | Date | added v2.4 |
| DTM | Date/time | added v2.5 |
| DTN | Day type and number | added v2.5 |
| ED | Encapsulated data | added v2.4 |
| EI | Entity identifier | added v2.4 |
| EIP | Entity identifier pair | added v2.5 |
| ELD | Error location and description | added v2.5 |
| ERL | Error location | added v2.5 |
| FC | Financial class | added v2.4 |
| FN | Family name | added v2.4 |
| FT | Formatted text | added v2.4 |
| GTS | General timing specification | added v2.5 |
| HD | Hierarchic designator | added v2.4 |
| ICD | Insurance certification definition | added v2.5 |
| ID | Coded values for HL7 tables | added v2.4 |
| IS | Coded value for user-defined tables | added v2.4 |
| JCC | Job code/class | added v2.4 |
| LA1 | Location with address variation 1 | added v2.5 |
| LA2 | Location with address variation 2 | added v2.5 |
| MA | Multiplexed array | added v2.4 |
| MO | Money | added v2.4 |
| MOC | Money and charge code | added v2.5 |
| MOP | Money or percentage | added v2.5 |
| MSG | Message type | added v2.5 |
| NA | Numeric array | added v2.4 |
| NDL | Name with date and location | added v2.5 |
| NM | Numeric | added v2.4 |
| NR | Numeric range | added v2.5 |
| OCD | Occurrence code and date | added v2.5 |
| OSD | Order sequence definition | added v2.5 |
| OSP | Occurrence span code and date | added v2.5 |
| PIP | Practitioner institutional privileges | added v2.5 |
| PL | Person location | added v2.4 |
| PLN | Practitioner license or other ID number | added v2.5 |
| PN | Person name | added v2.4 |
| PPN | Performing person time stamp | added v2.4 |
| PRL | Parent result link | added v2.5 |
| PT | Processing type | added v2.4 |
| PTA | Policy type and amount | added v2.5 |
| QIP | Query input parameter list | added v2.4 |
| QSC | Query selection criteria | added v2.4 |
| RCD | Row column definition | added v2.4 |
| RFR | Reference range | added v2.5 |
| RI | Repeat interval | added v2.4 |
| RMC | Room coverage | added v2.5 |
| RP | Reference pointer | added v2.4 |
| RPT | Repeat pattern | added v2.5 |
| SAD | Street Address | added v2.4 |
| SCV | Scheduling class value pair | added v2.4 |
| SI | Sequence ID | added v2.4 |
| SN | Structured numeric | added v2.4 |
| SNM | String of telephone number digits | added v2.7 |
| SPD | Specialty description | added v2.5 |
| SPS | Specimen source | added v2.5 |
| SRT | Sort order | added v2.4 |
| ST | String data | added v2.4 |
| TM | Time | added v2.4 |
| TN | Telephone number | added v2.4 |
| TQ | Timing/quantity | added v2.4 |
| TS | Time stamp | added v2.4 |
| TX | Text data | added v2.4 |
| UVC | UB value code and amount | added v2.5 |
| VH | Visiting hours | added v2.4 |
| VID | Version identifier | added v2.4 |
| VR | Value range | added v2.5 |
| WVI | Channel Identifier | added v2.5 |
| WVS | Waveform source | added v2.5 |
| XAD | Extended address | added v2.4 |
| XCN | Extended composite ID number and name for persons | added v2.4 |
| XON | Extended composite name and ID number for organizations | added v2.4 |
| XPN | Extended person name | added v2.4 |
| XTN | Extended telecommunications number | added v2.4 |