This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions 
8.24.8 Resource CommunicationRequest - Mappings
Mappings for the CommunicationRequest resource (see Mappings to Other Standards for further information & status).
| CommunicationRequest |
workflow.order |
| identifier |
FiveWs.identifier |
| status |
FiveWs.status |
| intent |
FiveWs.class |
| category |
FiveWs.class |
| priority |
FiveWs.grade |
| subject |
FiveWs.subject[x] |
| about |
FiveWs.context |
| encounter |
FiveWs.context |
| occurrence[x] |
FiveWs.planned |
| authoredOn |
FiveWs.recorded |
| requester |
FiveWs.author |
| recipient |
FiveWs.actor |
| informationProvider |
FiveWs.actor |
| reason |
FiveWs.why[x] |
| CommunicationRequest |
Request |
| identifier |
Request.identifier |
| basedOn |
Request.basedOn |
| replaces |
Request.replaces |
| groupIdentifier |
Request.groupIdentifier |
| status |
Request.status |
| statusReason |
Request.statusReason |
| intent |
Request.intent |
| priority |
Request.priority |
| doNotPerform |
Request.doNotPerform |
| subject |
Request.subject |
| about |
Request.supportingInfo |
| encounter |
Request.encounter |
| content[x] |
Request.note |
| occurrence[x] |
Request.occurrence[x] |
| authoredOn |
Request.authoredOn |
| requester |
Request.requester |
| recipient |
Request.performer |
| informationProvider |
Request.performer |
| reason |
Request.reason |
| note |
Request.note |
| CommunicationRequest |
|
| basedOn |
.outboundRelationship[typeCode=FLFS].target |
| replaces |
.outboundRelationship[typeCode=RPLC].target |
| groupIdentifier |
.inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier |
| statusReason |
.inboundRelationship[typeCode=SUBJ].source[classCode=CACT, moodCode=EVN].reasonCOde |
| requester |
.participation[typeCode=AUT].role |
| reason |
.reasonCode |
| note |
.inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST] |