This page is part of the FHIR Specification (v1.4.0: STU 3 Ballot 3). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions 

Detailed Descriptions for the elements in the II resource.
| II | |
| Control | 1..* |
| Type | Element |
| II.nullFlavor | |
| Definition | If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing. |
| Control | 0..1 |
| Binding | null The codes SHALL be taken from v3 Code System NullFlavor |
| Type | code |
| II.root | |
| Definition | A unique identifier that guarantees the global uniqueness of the instance identifier. The root alone may be the entire instance identifier. |
| Control | 0..1 |
| Type | string |
| II.extension | |
| Definition | A character string as a unique identifier within the scope of the identifier root. |
| Control | 0..1 |
| Type | string |
| II.assigningAuthorityName | |
| Definition | A human readable name or mnemonic for the assigning authority. The Assigning Authority Name has no computational value. The purpose of a Assigning Authority Name is to assist an unaided human interpreter of an II value to interpret the authority. Note: no automated processing must depend on the assigning authority name to be present in any form. |
| Control | 0..1 |
| Type | string |
| II.displayable | |
| Definition | Specifies if the identifier is intended for human display and data entry (displayable = true) as opposed to pure machine interoperation (displayable = false). |
| Control | 0..1 |
| Type | boolean |