Da Vinci Payer Data Exchange
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Da Vinci Payer Data Exchange, published by HL7 International / Financial Management. This guide is not an authorized publication; it is the continuous build for version 2.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/davinci-epdx/ and changes regularly. See the Directory of published versions

US Core Pediatric BMI for Age Observation

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The US Core 3.1.1 IG profiles the Observation resource for a variety of purposes. For example:

US Core 6.1.0 defines those same profiles:

The essential fields (Must Support or Cardinality greater than 0..*) to be provided in the US Core Observation resource are:

R4 Element Name Cardinality Type
Observation.status status 1..1 code
Observation.category category 1..* (Slice Definition)
Observation.category:VSCat category:VSCat 1..1 CodeableConcept
Observation.category:VSCat.coding coding 1..* Coding
Observation.category:VSCat.coding.system system 1..1 uri
Observation.category:VSCat.coding.code code 1..1 code
Observation.code code 1..1 CodeableConcept
Observation.code.coding coding 1..* Coding
Observation.code.coding.system system 1..1 uri
Observation.code.coding.code code 1..1 code
Observation.subject subject 1..1 Reference(US Core Patient Profile)
Observation.effective[x] effective[x] 1..1  
Observation.value[x] value[x] 0..1 (Slice Definition)
Observation.value[x]:valueQuantity.value value 1..1 decimal
Observation.value[x]:valueQuantity.unit unit 1..1 string
Observation.value[x]:valueQuantity.system system 1..1 uri
Observation.value[x]:valueQuantity.code code 1..1 code
Observation.dataAbsentReason dataAbsentReason 0..1 CodeableConcept
Observation.component component 0..* BackboneElement
Observation.component.code code 1..1 CodeableConcept
Observation.component.value[x] value[x] 0..1  
Observation.dataAbsentReason dataAbsentReason 0..1 CodeableConcept

Table Definition

An Example BMI Age Observation Resource

US Core Pediatric BMI for Age example: US Core 3.1.1 Pediatric BMI for Age](http://hl7.org/fhir/us/core/STU3.1.1/StructureDefinition-pediatric-bmi-for-age.html)

{
  "resourceType" : "Observation",
  "id" : "pediatric-bmi-example",
  "meta" : {
    "profile" : [
      "http://hl7.org/fhir/us/core/StructureDefinition/pediatric-bmi-for-age"
    ]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">
Generated Narrative
id: pediatric-bmi-example
meta: 
category: <span title=\"Codes: {http://terminology.hl7.org/CodeSystem/observation-category vital-signs}\">Vital Signs</span>
code: <span title=\"Codes: {http://loinc.org 59576-9}\">BMI</span>
subject: <a href=\"Patient-child-example.html\">Child Example. Generated Summary: id: child-example; Medical Record Number: 1032704 (USUAL); active; Child Example ; ph: 555-555-5555(HOME); gender: male; birthDate: 2016-01-15</a>
encounter: GP Visit
effective: 05/05/2019 5:12:29 AM
value: 65 %
note: CDC Males, 2-20 years Chart
</div>"
  },
  "status" : "final",
  "category" : [
    {
      "coding" : [
        {
          "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
          "code" : "vital-signs",
          "display" : "Vital Signs"
        }
      ],
      "text" : "Vital Signs"
    }
  ],
  "code" : {
    "coding" : [
      {
        "system" : "http://loinc.org",
        "code" : "59576-9",
        "display" : "Body mass index (BMI) [Percentile] Per age and sex"
      }
    ],
    "text" : "BMI"
  },
  "subject" : {
    "reference" : "Patient/child-example",
    "display" : "Child Example"
  },
  "encounter" : {
    "display" : "GP Visit"
  },
  "effectiveDateTime" : "2019-05-04T12:12:29-07:00",
  "valueQuantity" : {
    "value" : 65,
    "unit" : "%",
    "system" : "http://unitsofmeasure.org",
    "code" : "%"
  },
  "note" : [
    {
      "text" : "CDC Males, 2-20 years Chart"
    }
  ]
}

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