Medication API

{
    "resourceType": "Medication",
    "id": "b57493a3-ffc6-408b-ba6b-c26e4ddacae0",
    "name": "Dextrose in Normal Saline (DNS) 5%, 500ml",
    "code": {
        "coding": [
            {
                "system": "http://{tr-server}/openmrs/ws/rest/v1/tr/concepts/f79d88a0-1f63-4201-a7aa-6a10645cf317",
                "code": "f79d88a0-1f63-4201-a7aa-6a10645cf317",
                "display": "Dextrose in Normal Saline (DNS)"
            }
        ]
    },
    "product": {
        "form": {
            "coding": [
                {
                    "system": "http://{tr-server}/openmrs/ws/rest/v1/tr/referenceterms/b1bd59ac-878d-11e5-95dd-005056b0145c",
                    "code": "385229008",
                    "display": "Infusion solution"
                },
                {
                    "system": "http://{tr-server}/openmrs/ws/rest/v1/tr/concepts/b1bd0907-878d-11e5-95dd-005056b0145c",
                    "code": "b1bd0907-878d-11e5-95dd-005056b0145c",
                    "display": "Infusion solution"
                }
            ]
        }
    },
    "extension": [
        {
            "url": "https://sharedhealth.atlassian.net/wiki/display/docs/fhir-extensions#MedicationStrength",
            "valueString": "5%"
        },
        {
            "url": "https://sharedhealth.atlassian.net/wiki/display/docs/fhir-extensions#MedicationRetired",
            "valueString": "false"
        }
    ]
}