Search FHIR resource by internal reference

Question

DSTU2 documentation does not describe ability to search resources by internal references. Is there any way to find the below resource having contained Practitioner resource and internal reference on it like:

[base]/fhir/Patient?careprovider:Practitioner=ContainedId or

[base]/fhir/Patient?careprovider=ContainedId

 { "resourceType" : "Patient", "id" : "ContainedTestPatient", "careProvider" : [{ "reference" : "#ContainedId" }], "contained" : [{ "resourceType": "Practitioner", "id": "ContainedId", "name": {"text": "Good doctor INC"} }] }

Answer 1

Actually DSTU2 documentation does specify how to search for values in contained resources, see http://www.hl7.org/fhir/search.html#contained . It's done with a chained search and looks like this:

[base]/Patient?careprovider._id=ContainedId