| # | Name | Source | Ver | Description | |
| 1 | Australian Time Zone | hl7.fhir.au.base#current | R4 | This extension applies to the [time](http://hl7.org/fhir/R4/datatypes.html#time) data type and is used to represent an Australian time zone. | |
| 2 | Extension - Date Time | hl7.fhir.us.vrsandbox#current | R4 | The time portion (DD) of the partial date. | |
| 3 | Extension - Date Time | hl7.fhir.us.mdi#current | R4 | The time portion (DD) of the partial date. | |
| 4 | Extension - Date Time - Vital Records | hl7.fhir.us.vr-common-library#current | R4 | This Extension profile represents the time portion (DD) of the partial date. | |
| 5 | Rendered Value | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Provides a rendered version of the value intended for human display. For example, a sensitive identifier (e.g. social security number) partially obscured by asterisks; a drivers licence number with dashes inserted; a date formatted as MMM dd, yyyy; etc. | |
| 6 | Timezone Code | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | An IANA timezone code for the timezone offset per [BCP 175](https://www.iana.org/go/rfc6557). The offset is specified as part of a dateTime/instant (or using the tzOffset extension on a date if necessary). The timezone code may also be provided to allow for human display of the location associated with the offset. |
| 1 | 2 | 3 | 4 | 5 | 6 | |
| Extension | C D | D | C D | C D | ||
| Extension.valueTime | C | C | ||||
| Extension.valueTime.extension | S C (2) | S C (2) | ||||
| Extension.extension | C | C | C | C | C | |
| Extension.url | F | F | F | F | F | F |
| Extension.value[x] | C B M | C D | S C D | S C D | C | C B M |
| Extension.value[x].extension | S C (2) |
Produced 08 Sep 2023