---
title: Heart Rate (8867-4)
slug: smart-care/heart-rate-8867-4
icon: 🫀
docTags: 
createdAt: 2025-09-02T13:18:54.914Z
---

# Format

:::CodeblockTabs{indent="1"}
```javascript
{
      "resourceType": "Observation",
      "identifier": [{
        "use": "old",
        "value": "380cae2a33ed4023be50a63c3ee97e95_HR"
      }],
      "status": "preliminary",
      "text": {
        "status": "generated",
        "div": "<div xmlns='http://www.w3.org/1999/xhtml'>Heart rate: 66 /min</div>"
      },
      "category": [
        {
          "coding": [
            {
              "system": "http://terminology.hl7.org/CodeSystem/observation-category",
              "code": "vital-signs",
              "display": "Vital Signs"
            }
          ]
        }
      ],
      "code": {
        "coding": [
          {
            "system": "http://loinc.org",
            "code": "8867-4",
            "display": "Heart rate"
          }
        ]
      },
      "subject": {
        "reference": "abc-123456789"
      },
      "performer": [
        {
          "reference": "Organization/IntelliProve",
          "display": "IntelliProve"
        },
        {
          "reference": "SC-AZ-GROENINGEN",
         "display": "SC-AZ-GROENINGEN"
        }
      ],
      "effectiveDateTime": "2025-10-31T11:55:25.697395+01:00",
      "valueQuantity": {
        "value": 66,
        "unit": "/min",
        "system": "http://unitsofmeasure.org",
        "code": "/min"
      }
    }
```
:::

# Explanatory

- **resourceType**: "Observation"
- **identifier**:&#x20;
  - **use**: "old"
  - **value**: "\<health\_scan\_uuid\_hex>\_HR"
- **status**: "preliminary"
- **category**: "vital-signs"
- **code**: LOINC 8867-4 "Heart rate"
- **subject**:
  - **reference**: Encrypted EAD reference number
- **performer**: List with references to IntelliProve and performer (API key name)
- **effectiveDateTime**: the clinically relevant time of the measurement
- **valueQuantity**:
  - **value**: Measured value
  - **unit**: Beats per minute

