Example 1 - Basal and Bolus TDD

{
	"resourceType": "MedicationStatement",
	"id": "c15bb02e-ce87-43b7-a220-8658fbc3162c",
	"meta": {
		"profile": [
			"http://roche.com/fhir/rdc/StructureDefinition/medication-statement"
		]
	},
	"status": "active",
	"medicationCodeableConcept": {
		"coding": [
			{
				"system": "http://roche.com/fhir/rdc/cs",
				"code": "TDD-Bolus-and-Basal",
				"display": "Basal and Bolus TDD"
			}
		]
	},
	"subject": {
		"reference": "Patient/d4f6069e-250a-46b4-a808-c5cf0f5ed3be"
	},
	"effectiveDateTime": "2005-06-24T23:59:00+00:00",
	"taken": "y",
	"dosage": [
		{
			"doseQuantity": {
				"value": "43.06",
				"unit": "[iU]",
				"system": "http://unitsofmeasure.org",
				"code": "[iU]"
			}
		}
	],
	"extension": [
		{
			"url": "http://roche.com/fhir/rdc/StructureDefinition/parent-device-metric",
			"valueReference": {
				"reference": "DeviceMetric/46d24edb-7afa-45c3-a12c-1b7a51d5f519"
			}
		}
	]
}

Example 2- Bolus TDD

 {
	"resourceType": "MedicationStatement",
	"id": "bcfe4c3b-9737-4710-baa6-3b2fc6efa001",
	"meta": {
		"profile": [
			"http://roche.com/fhir/rdc/StructureDefinition/medication-statement"
		]
	},
	"status": "active",
	"medicationCodeableConcept": {
		"coding": [
			{
				"system": "http://roche.com/fhir/rdc/cs",
				"code": "TDD-Bolus-Only",
				"display": "Bolus TDD"
			}
		]
	},
	"subject": {
		"reference": "Patient/d4f6069e-250a-46b4-a808-c5cf0f5ed3be"
	},
	"effectiveDateTime": "2005-06-24T23:59:00+00:00",
	"taken": "y",
	"dosage": [
		{
			"doseQuantity": {
				"value": "20.30",
				"unit": "[iU]",
				"system": "http://unitsofmeasure.org",
				"code": "[iU]"
			}
		}
	],
	"extension": [
		{
			"url": "http://roche.com/fhir/rdc/StructureDefinition/parent-device-metric",
			"valueReference": {
				"reference": "DeviceMetric/46d24edb-7afa-45c3-a12c-1b7a51d5f519"
			}
		}
	]
}