# Cigarette Pack-Years Example - US Core Implementation Guide v9.0.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Cigarette Pack-Years Example**

## Example Observation: Cigarette Pack-Years Example

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

Profile: [US Core Smoking Status Observation Profile](StructureDefinition-us-core-smokingstatus.md) version: 9.0.0

**status**: Final

**category**: Social History

**code**: Cigarette pack-years

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

**effective**: 2016-03-18 05:27:04+0000

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

**value**: 26 pack-years (Details: UCUM code{pack-years} = '{pack-years}')



## Resource Content

```json
{
  "resourceType" : "Observation",
  "id" : "pack-years-example",
  "meta" : {
    "profile" : ["http://hl7.org/fhir/us/core/StructureDefinition/us-core-smokingstatus|9.0.0"]
  },
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "social-history",
      "display" : "Social History"
    }],
    "text" : "Social History"
  }],
  "code" : {
    "coding" : [{
      "system" : "http://snomed.info/sct",
      "version" : "http://snomed.info/sct/731000124108",
      "code" : "401201003",
      "display" : "Cigarette pack-years (observable entity)"
    }],
    "text" : "Cigarette pack-years"
  },
  "subject" : {
    "reference" : "Patient/example",
    "display" : "Amy Shaw"
  },
  "effectiveDateTime" : "2016-03-18T05:27:04+00:00",
  "performer" : [{
    "reference" : "Practitioner/practitioner-1",
    "display" : "Dr Ronald Bone"
  }],
  "valueQuantity" : {
    "value" : 26,
    "unit" : "pack-years",
    "system" : "http://unitsofmeasure.org",
    "code" : "{pack-years}"
  }
}

```
