EV Web API

Observation

Description: Observation includes vital signs, lab results, and smoking status.

Reference: Observation in FHIR specification.

Supported Profiles:

Search

Search Parameters:

Name	Type	Required	Description
category	string	False	A code that classifies the general type of Observation.
code	number	False	SNOMED/LOINC code for the Observation.
date	date	False	Date/time of the Observation.
encounter	reference	True	Which ED visit the Observation is for.
patient	reference	True	Who the Observation is for.
subject	reference	True	Who the Observation is for.

* Required search parameters - subject, patient, or encounter

DateIncluded= True

* See Date Search for more information on searching by date.

Sample Request:

GET https://greathospital.com:8100/r4/sites/123/Observation?patient=1&category=laboratory

Read

Sample Request:

GET https://greathospital.com:8100/r4/sites/123/Observation/laboratory-lab_result-1

Add

Sample Request:

POST https://greathospital.com:8100/r4/sites/123/Observation

Body:

{
		"resourceType" : "Observation",
		"language" : "en",
		"text" : {
			"status" : "generated",
			"div": "<p><b>Observation</b>: Vital Signs</p><p><b>Observation Type</b>: Blood pressure systolic and diastolic</p><p><b>Issued</b>: 5/2/2016 9:24:59 PM -05:00</p><p><b>Component</b>: Systolic blood pressure</p><p><b>Quantity</b>: <p><b>Value</b>: 90</p><p><b>Unit</b>: millimeter Mercury column</p><p><b>Code</b>: mm[Hg]</p><p><b>System</b>: http://unitsofmeasure.org</p></p><p><b>Component</b>: Diastolic blood pressure</p><p><b>Quantity</b>: <p><b>Value</b>: 60</p><p><b>Unit</b>: millimeter Mercury column</p><p><b>Code</b>: mm[Hg]</p><p><b>System</b>: http://unitsofmeasure.org</p></p>"
		},
		"status" : "final",
		"category" : {
			"coding" : [{
					"system" : "http://hl7.org/fhir/observation-category",
					"code" : "vital-signs",
					"display" : "Vital Signs"
				}
			],
			"text" : "Vital Signs"
		},
    	"code": {
          "coding": [
            {
              "system": "http://loinc.org",
              "code": "55284-4",
              "display": "Blood pressure systolic and diastolic"
            }
          ],
          "text": "Blood pressure systolic and diastolic"
        },
		"subject" : {
			"reference" : "https://greathospital.com:8100/r4/sites/123/Patient/",
			"display" : "KELLEY, Lee"
		},
		"encounter" : {
			"reference" : "https://greathospital.com:8100/r4/sites/123/Encounter/",
			"display" : "Id:9b3746b3-531a-4d7b-abe6-7a7124b9c8ff (KELLEY, Lee)"
		},
		"effectiveDateTime" : "2016-05-02T02:26:16-05:00",
		"performer" : [{
				"reference" : "https://greathospital.com:8100/r4/sites/123/Practitioner/79e7d748-19f2-4872-8ddc-47c8b3ffca10",
				"display" : "Tran, Martin"
			}
		],
		"component": [
          {
            "code": {
              "coding": [
                {
                  "system": "http://loinc.org",
                  "code": "8480-6",
                  "display": "Systolic blood pressure"
                }
              ],
              "text": "Systolic blood pressure"
            },
            "valueQuantity": {
              "value": 90,
              "unit": "millimeter Mercury column",
              "system": "http://unitsofmeasure.org",
              "code": "mm[Hg]"
            }
          },
          {
            "code": {
              "coding": [
                {
                  "system": "http://loinc.org",
                  "code": "8462-4",
                  "display": "Diastolic blood pressure"
                }
              ],
              "text": "Diastolic blood pressure"
            },
            "valueQuantity": {
              "value": 60,
              "unit": "millimeter Mercury column",
              "system": "http://unitsofmeasure.org",
              "code": "mm[Hg]"
            }
          }
        ]
	}