# Ví dụ: Sinh hiệu — Cân nặng 65 kg - Bộ Hướng dẫn Triển khai Core FHIR cho Việt Nam v0.5.0

## Ví dụ Observation: Ví dụ: Sinh hiệu — Cân nặng 65 kg

Profile: [Cân nặng VN Core — VN Core Observation Body Weight Profile](StructureDefinition-vn-core-observation-body-weight.md)

**status**: Final

**category**: Vital Signs

**code**: Cân nặng

**subject**: [Nguyễn Văn An](Patient-ExamplePatientNguyenVanAn.md)

**encounter**: [Encounter: extension = Khám chữa bệnh ban đầu; status = finished; class = ambulatory (ActCode#AMB); period = 2026-03-19 08:30:00+0700 --> 2026-03-19 11:00:00+0700; reasonCode = ](Encounter-ExampleEncounterOutpatient.md)

**effective**: 2026-04-20 08:10:00+0700

**performer**: [BS CKII Nguyễn Thị Lan](Practitioner-ExamplePractitionerBSCKII.md)

**value**: 65 kg (Details: UCUM codekg = 'kg')



## Resource Content

```json
{
  "resourceType" : "Observation",
  "id" : "ExampleObservationVitalWeight",
  "meta" : {
    "profile" : ["http://fhir.hl7.org.vn/core/StructureDefinition/vn-core-observation-body-weight"]
  },
  "status" : "final",
  "category" : [{
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/observation-category",
      "code" : "vital-signs",
      "display" : "Vital Signs"
    }]
  }],
  "code" : {
    "coding" : [{
      "system" : "http://loinc.org",
      "code" : "29463-7",
      "display" : "Body weight"
    }],
    "text" : "Cân nặng"
  },
  "subject" : {
    "reference" : "Patient/ExamplePatientNguyenVanAn",
    "display" : "Nguyễn Văn An"
  },
  "encounter" : {
    "reference" : "Encounter/ExampleEncounterOutpatient"
  },
  "effectiveDateTime" : "2026-04-20T08:10:00+07:00",
  "performer" : [{
    "reference" : "Practitioner/ExamplePractitionerBSCKII",
    "display" : "BS CKII Nguyễn Thị Lan"
  }],
  "valueQuantity" : {
    "value" : 65,
    "unit" : "kg",
    "system" : "http://unitsofmeasure.org",
    "code" : "kg"
  }
}

```
