| id | 0..1 | string | Logical id of this artifact |
| meta | 0..1 | Meta | Metadata about the resource |
| implicitRules | 0..1 | uri | A set of rules under which this content was created |
| language | 0..1 | code | Language of the resource content |
| text | 0..1 | Narrative | Text summary of the resource, for human interpretation |
| contained | 0..* | Resource | Contained, inline Resources |
| extension | 0..* | Extension | Additional content defined by implementations |
| modifierExtension | 0..* | Extension | Extensions that cannot be ignored |
| identifier | 0..* | Identifier | Unique id for the detected issue |
| status | 1..1 | code | registered | preliminary | final | amended + |
| code | 0..1 | CodeableConcept | Issue Category, e.g. drug-drug, duplicate therapy, etc. |
| severity | 0..1 | code | high | moderate | low |
| patient | 0..1 | Reference | Associated patient |
| identified[x] | 0..1 | dateTime | When identified |
| author | 0..1 | Reference | The provider or device that identified the issue |
| implicated | 0..* | Reference | Problem resource |
| evidence | 0..* | BackboneElement | Supporting evidence |
| detail | 0..1 | string | Description and context |
| reference | 0..1 | uri | Authority for issue |
| mitigation | 0..* | BackboneElement | Step taken to address |