| ServiceRequest | Act[moodCode<=INT] |
| identifier | .identifier |
| instantiatesCanonical | .outboundRelationship[typeCode=DEFN].target |
| instantiatesUri | .outboundRelationship[typeCode=DEFN].target |
| basedOn | .outboundRelationship[typeCode=FLFS].target |
| replaces | .outboundRelationship[typeCode=RPLC].target |
| requisition | .inboundRelationship(typeCode=COMP].source[moodCode=INT].identifier |
| status | .status |
| intent | .moodCode (nuances beyond PRP/PLAN/RQO would need to be elsewhere) |
| category | .outboundRelationship[typeCode="COMP].target[classCode="LIST", moodCode="INT"].code |
| priority | .priorityCode |
| doNotPerform | .actionNegationInd |
| code | .code |
| quantity[x] | .quantity |
| subject | .participation[typeCode=SBJ].role |
| focus | participation[typeCode=SBJ] |
| encounter | .inboundRelationship(typeCode=COMP].source[classCode<=PCPR, moodCode=EVN] |
| occurrence[x] | .effectiveTime |
| asNeeded[x] | boolean: precondition.negationInd (inversed - so negationInd = true means asNeeded=false CodeableConcept: precondition.observationEventCriterion[code="Assertion"].value |
| authoredOn | .participation[typeCode=AUT].time |
| requester | .participation[typeCode=AUT].role |
| performerType | .participation[typeCode=PRF].role[scoper.determinerCode=KIND].code |
| 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 |
| specimen | .participation[typeCode=SPC].role |
| bodySite | targetSiteCode |
| bodyStructure | targetSiteCode |
| note | .inboundRelationship(typeCode=SUBJ].source[classCode=ANNGEN, moodCode=EVN].value[xsi:type=ST] |
| patientInstruction | .text |
| instruction[x] | .text |
| relevantHistory | .inboundRelationship(typeCode=SUBJ].source[classCode=CACT, moodCode=EVN] |