# BMI Example - US Core Implementation Guide v9.0.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **BMI Example**

## Example Observation: BMI Example

| |
| :--- |
| *Page standards status:*[Informative](http://hl7.org/fhir/R4/versions.html#std-process) |

Profile: [US Core BMI Profile](StructureDefinition-us-core-bmi.md) version: 9.0.0

**status**: Final

**category**: Vital Signs

**code**: BMI

**subject**: [Amy Shaw](Patient-example.md)

**encounter**: GP Visit

**effective**: 1999-07-02

**performer**: [Dr Ronald Bone](Practitioner-practitioner-1.md)

**value**: 16.2 kg/m2 (Details: UCUM codekg/m2 = 'kg/m2')



## Resource Content

```json
{
  "resourceType" : "Observation",
  "id" : "bmi",
  "meta" : {
    "profile" : ["http://hl7.org/fhir/us/core/StructureDefinition/us-core-bmi|9.0.0"]
  },
  "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" : "39156-5",
      "display" : "Body mass index (BMI) [Ratio]"
    }],
    "text" : "BMI"
  },
  "subject" : {
    "reference" : "Patient/example",
    "display" : "Amy Shaw"
  },
  "encounter" : {
    "display" : "GP Visit"
  },
  "effectiveDateTime" : "1999-07-02",
  "performer" : [{
    "reference" : "Practitioner/practitioner-1",
    "display" : "Dr Ronald Bone"
  }],
  "valueQuantity" : {
    "value" : 16.2,
    "unit" : "kg/m2",
    "system" : "http://unitsofmeasure.org",
    "code" : "kg/m2"
  }
}

```
