Query: Was there any irregularity in my blood platelet count in the past?, FHIR Resource: {'resourceType': 'Observation', 'status': 'final', 'category': [{'coding': [{'system': 'http://terminology.hl7.org/CodeSystem/observation-category', 'code': 'laboratory', 'display': 'Laboratory'}]}], 'code': {'coding': [{'system': 'http://loinc.org', 'code': '32207-3', 'display': 'Platelet distribution width [Entitic volume] in Blood by Automated count'}], 'text': 'Platelet distribution width [Entitic volume] in Blood by Automated count'}, 'subject': {'reference': 'urn:uuid:9d3c462d-67bf-e47d-6662-1972a3e58fd5'}, 'effectiveDateTime': '2017-05-09T06:56:09+05:30', 'valueQuantity': {'value': 446.81, 'unit': 'fL', 'system': 'http://unitsofmeasure.org', 'code': 'fL'}, 'interpretation': None}