| url | No | uri | Canonical identifier for this concept map, represented as a URI (globally unique) |
| identifier | No | Identifier | Additional identifier for the concept map |
| version | No | string | Business version of the concept map |
| name | No | string | Name for this concept map (computer friendly) |
| title | No | string | Name for this concept map (human friendly) |
| status | Yes | code | draft / active / retired / unknown |
| experimental | No | boolean | For testing purposes, not real usage |
| date | No | dateTime | Date last changed |
| publisher | No | string | Name of the publisher (organization or individual) |
| contact | No | ContactDetail[] | Contact details for the publisher |
| description | No | markdown | Natural language description of the concept map |
| useContext | No | UsageContext[] | The context that the content is intended to support |
| jurisdiction | No | CodeableConcept[] | Intended jurisdiction for concept map (if applicable) |
| purpose | No | markdown | Why this concept map is defined |
| copyright | No | markdown | Use and/or publishing restrictions |
| source[x] | No | uri, canonical | The source value set that contains the concepts that are being mapped |
| target[x] | No | uri, canonical | The target value set which provides context for the mappings |
| group | No | ConceptMapGroup | Same source and target systems |
| - 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 |
| - source | No | uri | Source system where concepts to be mapped are defined |
| - sourceVersion | No | string | Specific version of the code system |
| - target | No | uri | Target system that the concepts are to be mapped to |
| - targetVersion | No | string | Specific version of the code system |
| - element | Yes | ConceptMapGroupElement | Mappings for a concept from the source set |
| - 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 | No | code | Identifies element being mapped |
| - display | No | string | Display for the code |
| - target | No | ConceptMapGroupElementTarget | Concept in target system for element |
| - 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 | No | code | Code that identifies the target element |
| - display | No | string | Display for the code |
| - equivalence | Yes | code | relatedto / equivalent / equal / wider / subsumes / narrower / specializes / inexact / unmatched / disjoint |
| - comment | No | string | Description of status/issues in mapping |
| - dependsOn | No | ConceptMapGroupElementTargetDependsOn | Other elements required for this mapping (from context) |
| - 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 |
| - property | Yes | uri | Reference to property mapping depends on |
| - system | No | canonical | Code System (if necessary) |
| - value | Yes | string | Value of the referenced element |
| - display | No | string | Display for the code (if value is a code) |
| - product | No | [] | Other concepts that this mapping also produces |
| - unmapped | No | ConceptMapGroupUnmapped | What to do when there is no mapping for the source concept |
| - 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 |
| - mode | Yes | code | provided / fixed / other-map |
| - code | No | code | Fixed code when mode = fixed |
| - display | No | string | Display for the code |
| - url | No | canonical | canonical reference to an additional ConceptMap to use for mapping if the source concept is unmapped |