Class diagram for pathology lab management?

Class Diagram for Pathology Lab Management

```

+----------------+

| Patient |

+----------------+

| - patientID |

| - name |

| - age |

| - gender |

| - address |

| - phone |

| - email |

+----------------+

+------------------+

| Lab Technician |

+------------------+

| - technicianID |

| - name |

| - qualification |

| - experience |

| - phone |

| - email |

+------------------+

+----------------+

| Test |

+----------------+

| - testID |

| - name |

| - description |

| - price |

+----------------+

+---------------------+

| Test Request |

+---------------------+

| - requestID |

| - patientID |

| - technicianID |

| - testID |

| - requestDate |

| - status |

+---------------------+

+-----------------+

| Test Result |

+-----------------+

| - resultID |

| - requestID |

| - testID |

| - value |

| - unit |

| - referenceRange |

| - resultDate |

+-----------------+

```

Relationships:

* A Patient can have multiple Test Requests.

* A Lab Technician can have multiple Test Requests.

* A Test can have multiple Test Requests.

* A Test Request can have one Test Result.