Final2.16.840.1.113883.4.642.4.1048 - DataAbsentReason - FHIR: http://terminology.hl7.org/CodeSystem/data-absent-reason
| Level/ Type | Code | Display Name | Code System | Code System Version | Designations | Description |
|---|---|---|---|---|---|---|
| 0‑S | unknown | Unknown | DataAbsentReason | 2019-11-01T09:29:23 |  Preferred: Unknown | The value is expected to exist but is not known. |
| 1‑L | asked-unknown | Asked But Unknown | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Asked But Unknown | The source was asked but does not know the value. |
| 1‑L | temp-unknown | Temporarily Unknown | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Temporarily Unknown | There is reason to expect (from the workflow) that the value may become known. |
| 1‑L | not-asked | Not Asked | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Not Asked | The workflow didn't lead to this value being known. |
| 1‑L | asked-declined | Asked But Declined | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Asked But Declined | The source was asked but declined to answer. |
| 0‑L | masked | Masked | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Masked | The information is not available due to security, privacy or related reasons. |
| 0‑L | not-applicable | Not Applicable | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Not Applicable | There is no proper value for this element (e.g. last menstrual period for a male). |
| 0‑L | unsupported | Unsupported | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Unsupported | The source system wasn't capable of supporting this element. |
| 0‑L | as-text | As Text | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: As Text | The content of the data is represented in the resource narrative. |
| 0‑S | error | Error | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Error | Some system or workflow process error means that the information is not available. |
| 1‑L | not-a-number | Not a Number (NaN) | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Not a Number (NaN) | The numeric value is undefined or unrepresentable due to a floating point processing error. |
| 1‑L | negative-infinity | Negative Infinity (NINF) | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Negative Infinity (NINF) | The numeric value is excessively low and unrepresentable due to a floating point processing error. |
| 1‑L | positive-infinity | Positive Infinity (PINF) | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Positive Infinity (PINF) | The numeric value is excessively high and unrepresentable due to a floating point processing error. |
| 0‑L | not-performed | Not Performed | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Not Performed | The value is not available because the observation procedure (test, etc.) was not performed. |
| 0‑L | not-permitted | Not Permitted | DataAbsentReason | 2019-11-01T09:29:23 | Preferred: Not Permitted | The value is not permitted in this context (e.g. due to profiles, or the base data types). |
