This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions 
| DeviceRequest |
Act[moodCode<=INT] |
| identifier |
.identifier |
| basedOn |
.outboundRelationship[typeCode=FLFS].target |
| replaces |
.outboundRelationship[typeCode=RPLC].target |
| groupIdentifier |
.inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier |
| status |
.status |
| intent |
.moodCode (nuances beyond PRP/PLAN/RQO would need to be elsewhere) |
| priority |
.priorityCode |
| product |
.code |
| quantity |
quantity |
| parameter |
.code |
| code |
.code |
| value[x] |
.code |
| subject |
.participation[typeCode=SBJ].role |
| encounter |
.inboundRelationship(typeCode=COMP].source[classCode<=PCPR, moodCode=EVN] |
| occurrence[x] |
.effectiveTime |
| authoredOn |
.participation[typeCode=AUT].time |
| requester |
.participation[typeCode=AUT].role |
| performer |
.participation[typeCode=PRF].role[scoper.determinerCode=INSTANCE] |
| location |
.participation[typeCode=LOC].role[scoper.determinerCode=KIND].code |
| reason |
.reasonCode |
| insurance |
.outboundRelationship[typeCode=COVBY].target |
| supportingInfo |
.outboundRelationship[typeCode=PERT].target |
| note |
.inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST] |
| relevantHistory |
.inboundRelationship(typeCode=SUBJ].source[classCode=CACT, moodCode=EVN] |