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 PIVL resource.
| PIVL | |
| Control | 1..* |
| Type | Element |
| PIVL.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 |
| PIVL.value | |
| Control | 0..1 |
| Type | dateTime |
| PIVL.inclusive | |
| Control | 0..1 |
| Type | boolean |
| PIVL.operator | |
| Control | 0..1 |
| Type | code |
| PIVL.phase | |
| Definition | A prototype of the repeating interval, specifying the duration of each occurrence and anchors the periodic interval sequence at a certain point in time. |
| Control | 0..1 |
| Type | IVL_TS |
| PIVL.period | |
| Definition | A time duration specifying as a reciprocal measure of the frequency at which the periodic interval repeats. |
| Control | 0..1 |
| Type | PQ |
| PIVL.alignment | |
| Definition | Specifies if and how the repetitions are aligned to the cycles of the underlying calendar (e.g., to distinguish every 30 days from "the 5th of every month".) A non-aligned periodic interval recurs independently from the calendar. An aligned periodic interval is synchronized with the calendar. |
| Control | 0..1 |
| Type | code |
| PIVL.institutionSpecifiedTime | |
| Definition | Indicates whether the exact timing is up to the party executing the schedule (e.g., to distinguish "every 8 hours" from "3 times a day".) |
| Control | 0..1 |
| Type | boolean |