|
Code
|
Display
|
| ISO |
An International Standards Organization Object Identifier |
| DNS |
An Internet dotted name. Either in ASCII or as integers |
| x400 |
An X.400 MHS format identifier |
| x500 |
An X.500 directory name |
| HL7 |
Reserved for future HL7 registration schemes |
| GUID |
Same as UUID. |
| HCD |
The CEN Healthcare Coding Scheme Designator. (Identifiers used in DICOM follow this assignment scheme.) |
| UUID |
The DCE Universal Unique Identifier |
| L,M,N |
These are reserved for locally defined coding schemes. |
| URI |
Uniform Resource Identifier |
| Random |
Usually a base64 encoded string of random bits. |