With the help from Michelle Miller and Eric Haas, I was able to locate Social History examples. Below here is the link :
http://hl7.org/fhir/us/core/Observation-some-day-smoker.json.html
[In case link is broken in future, below here cut-paste of the same ]
{
"resourceType" : "Observation",
"id" : "some-day-smoker",
"status" : "final",
"category" : [
{
"coding" : [
{
"system" : "http://hl7.org/fhir/observation-category",
"code" : "social-history",
"display" : "Social History"
}
],
"text" : "Social History"
}
],
"code" : {
"coding" : [
{
"system" : "http://loinc.org",
"code" : "72166-2",
"display" : "Tobacco smoking status"
}
],
"text" : "Tobacco smoking status"
},
"subject" : {
"reference" : "Patient/example",
"display" : "Amy Shaw"
},
"issued" : "2016-03-18T05:27:04Z",
"valueCodeableConcept" : {
"coding" : [
{
"system" : "http://snomed.info/sct",
"code" : "428041000124106",
"display" : "Current some day smoker"
}
],
"text" : "Current some day smoker"
}
}
Hope this helps