| identifier | No | Identifier[] | Business identifier |
| status | Yes | code | in-progress / completed / entered-in-error |
| statusReason | No | CodeableConcept | Reason for current status |
| code | No | CodeableConcept | Kind of assessment performed |
| description | No | string | Why/how the assessment was performed |
| subject | Yes | Reference<Patient / Group> | Patient or group assessed |
| encounter | No | Reference<Encounter> | Encounter created as part of |
| effective[x] | No | dateTime, Period | Time of assessment |
| date | No | dateTime | When the assessment was documented |
| assessor | No | Reference<Practitioner / PractitionerRole> | The clinician performing the assessment |
| previous | No | Reference<ClinicalImpression> | Reference to last assessment |
| problem | No | Reference<Condition / AllergyIntolerance>[] | Relevant impressions of patient state |
| investigation | No | ClinicalImpressionInvestigation | One or more sets of investigations (signs, symptoms, etc.) |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - code | Yes | CodeableConcept | A name/code for the set |
| - item | No | Reference<Observation / QuestionnaireResponse / FamilyMemberHistory / DiagnosticReport / RiskAssessment / ImagingStudy / Media>[] | Record of a specific investigation |
| protocol | No | uri[] | Clinical Protocol followed |
| summary | No | string | Summary of the assessment |
| finding | No | ClinicalImpressionFinding | Possible or likely findings and diagnoses |
| - id | No | string | Unique id for inter-element referencing |
| - extension | No | Extension[] | Additional content defined by implementations |
| - modifierExtension | No | Extension[] | Extensions that cannot be ignored even if unrecognized |
| - itemCodeableConcept | No | CodeableConcept | What was found |
| - itemReference | No | Reference<Condition / Observation / Media> | What was found |
| - basis | No | string | Which investigations support finding |
| prognosisCodeableConcept | No | CodeableConcept[] | Estimate of likely outcome |
| prognosisReference | No | Reference<RiskAssessment>[] | RiskAssessment expressing likely outcome |
| supportingInfo | No | Reference<Resource>[] | Information supporting the clinical impression |
| note | No | Annotation[] | Comments made about the ClinicalImpression |
