This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times). 
See the Directory of published versions 
9.8.9  Resource ClinicalAssessment - Mappings 
Mappings for the ClinicalAssessment resource (see Mappings to Other Standards for further information & status).
  
 
|   ClinicalAssessment | 
clinical.general | 
 
|     identifier | 
FiveWs.identifier | 
 
|     status | 
FiveWs.status | 
 
|     subject | 
FiveWs.subject[x] | 
 
|     encounter | 
FiveWs.context | 
 
|     effective[x] | 
FiveWs.done[x] | 
 
|     date | 
FiveWs.recorded | 
 
|     performer | 
FiveWs.actor | 
 
|     problem | 
FiveWs.why[x] | 
  
 
|   ClinicalAssessment | 
Event | 
 
|     identifier | 
Event.identifier | 
 
|     status | 
Event.status | 
 
|     statusReason | 
Event.statusReason | 
 
|     subject | 
Event.subject | 
 
|     encounter | 
Event.encounter | 
 
|     effective[x] | 
Event.occurrence[x] | 
 
|     performer | 
Event.performer.actor | 
 
|     note | 
Event.note | 
  
 
|   ClinicalAssessment | 
Partial mapping for problem evaluation | 
 
|     identifier | 
PID-3 | 
 
|     status | 
PRB-14 | 
 
|     statusReason | 
 | 
 
|     description | 
 | 
 
|     subject | 
PID-3 | 
 
|     encounter | 
 | 
 
|     effective[x] | 
PRB-2 | 
 
|     date | 
 | 
 
|     performer | 
ROL-4 | 
 
|     previous | 
 | 
 
|     problem | 
PRB-3 / IAM-7 | 
 
|     changePattern | 
 | 
 
|     protocol | 
 | 
 
|     summary | 
OBX | 
 
|     finding | 
 | 
 
|         item | 
OBX | 
 
|         basis | 
 | 
 
|     prognosis | 
PRB-22 | 
 
|     supportingInfo | 
 | 
 
|     note | 
 | 
  
 
|   ClinicalAssessment | 
 | 
 
|     statusReason | 
.inboundRelationship[typeCode=SUBJ].source[classCode=CACT, moodCode=EVN].reasonCOde |