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Get Observation by id

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Created by Serhii Boldin (SoE eHealth), last modified on Apr 20, 2023

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Purpose

This web service is designed to return observations by id.

Specification

Link	https://medicaleventsmisapi.docs.apiary.io/#reference/medical-events/observation/get-observation-by-id
Resource	/api/patients/{{patient_id}}/observations/{{observation_id}}
Scope	observation:read
Components	Episode of Care
Microservices	API paragraph not found
Protocol type	REST
Request type	GET
Sync/Async	Async
Public/Private/Internal	Public

Input parameters

Input parameter	Values	Type	Description	Example
patient_id		String	Patient identifier	`70a9e15b-b71b-4caf-8f2e-ff247e8a5677`
observation_id		String	Observation identifier	`a10aeafb-0df2-4091-bc83-f07e92a100ae`

Request structure

See on Apiary

Authorize

Request to process the request using a token in the headers

Verify the validity of access token
- Return 401 in case validation fails
Verify token is not expired
- in case error return 401
Check user scopes in order to perform this action (scope = 'observation:read')
- Return 403 in case invalid scope(s)

Headers

Наприклад:

Content-Type:application/json
Authorization:Bearer {{access_token}}
API-key:{{secret}}

Request data validation

API paragraph not found

Processing

Service returns observation related to the patient:

Get observation by ID from observations collection (MongoDB)
Validate data consistency:
- Ensure that requested observation relates to requested Patient (from URL)
  - Return 404 ('not found') in case of error
Render a response according to specification

Response structure

See on Apiary

Example:

Response example

{
  "data": {
    "id": "90a9e15b-b71b-4caf-8f2e-ff247e8a5600",
    "status": "valid",
    "diagnostic_report (Reference_response, optional)": {
      "identifier": {
        "type": {
          "coding": [
            {
              "system": "eHealth/resources",
              "code": "diagnostic_report"
            }
          ]
        },
        "value": "9183a36b-4d45-4244-9339-63d81cd08d9c"
      }
    },
    "context": {
      "identifier": {
        "type": {
          "coding": [
            {
              "system": "eHealth/resources",
              "code": "encounter"
            }
          ]
        },
        "value": "9183a36b-4d45-4244-9339-63d81cd08d9c"
      },
      "display_value": "null"
    },
    "categories": [
      {
        "coding": [
          {
            "system": "eHealth/observation_categories",
            "code": "vital_signs"
          }
        ]
      }
    ],
    "code": {
      "coding": [
        {
          "system": "eHealth/LOINC/observation_codes",
          "code": "10569-2"
        }
      ]
    },
    "effective_date_time": "2018-10-08T09:46:37.694Z",
    "issued": "2018-08-02T10:45:16.000Z",
    "inserted_at": "2018-08-02T10:45:16.000Z",
    "updated_at": "2018-08-02T10:45:16.000Z",
    "primary_source": false,
    "performer": {
      "identifier": {
        "type": {
          "coding": [
            {
              "system": "eHealth/resources",
              "code": "employee"
            }
          ]
        },
        "value": "9183a36b-4d45-4244-9339-63d81cd08d9c"
      },
      "display_value": "Шевченко Олесь Вікторович"
    },
    "interpretation": {
      "coding": [
        {
          "system": "eHealth/observation_interpretations",
          "code": "L"
        }
      ]
    },
    "comment": "Some comment",
    "body_site": {
      "coding": [
        {
          "system": "eHealth/body_sites",
          "code": "head"
        }
      ]
    },
    "method": {
      "coding": [
        {
          "system": "eHealth/observation_methods",
          "code": "anamnesis"
        }
      ]
    },
    "value_quantity": {
      "value": 0,
      "comparator": ">",
      "unit": "kg",
      "system": "eHealth/ucum/units",
      "code": "kg"
    },
    "reference_ranges": [
      {
        "low": {
          "value": 0,
          "comparator": ">",
          "unit": "kg",
          "system": "eHealth/ucum/units",
          "code": "kg"
        },
        "high": {
          "value": 0,
          "comparator": "<",
          "unit": "kg",
          "system": "eHealth/ucum/units",
          "code": "kg"
        },
        "type": {
          "coding": [
            {
              "system": "eHealth/reference_range_types",
              "code": "normal"
            }
          ]
        },
        "applies_to": {
          "coding": [
            {
              "system": "eHealth/reference_range_applications",
              "code": "male"
            }
          ]
        },
        "age": {
          "low": {
            "value": 18,
            "comparator": ">",
            "unit": "years"
          },
          "high": {
            "value": 35,
            "comparator": "<",
            "unit": "years"
          }
        },
        "text": "Some text"
      }
    ]
  },
  "meta": {
    "code": 200,
    "url": "http://example.com/resource",
    "type": "object",
    "request_id": "req-adasdoijasdojsda"
  }
}

Post-processing processes

API paragraph not found

HTTP status codes

HTTP status code	Message	What caused the error
200
401		Access token validation failed
403		Invalid scope

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ЕСОЗ - публічна документація