Clinical Resources

Patient Demographics

Overview

The Patient Demographics section captures key identifying details about a patient that are critical for linking medical records, verifying identity, and ensuring accurate clinical decision-making.

This information forms the foundation of every health record and supports seamless interoperability across healthcare systems.

Clinical Data in Source Documents

Patient demographic details typically appear in the introductory section of a clinical document - such as a face sheet, header, or a dedicated Patient Information block - within PDFs or C-CDAs.

These details include the patient’s full name, date of birth, gender, and other identifying information, often presented in tables or structured lists, but sometimes embedded within narrative text.

JSON Output

During processing, the platform extracts and organizes all demographic elements into a structured JSON format for consistency and ease of use.

The extracted fields include:

• Personal Identifiers: First, middle, and last name; date of birth; age; gender; medical record number.
• Contact Information: Address, phone number, email.
• Language Preference: Primary language spoken by the patient.

This structured representation ensures that key patient details are normalized across different document types, enabling direct consumption by downstream systems or analytics pipelines.

{
  "patient_demographics": [
    {
      "first_name": "Joe",
      "middle_name": "M",
      "last_name": "Smith",
      "date_of_birth": "01/01/1940",
      "age": "81",
      "gender": "male",
      "medical_record_number": "1234567890",
      "address": "123 Main St., Anytown, USA",
      "phone_number": "123-456-7890",
      "email": "joe.smith@email.com",
      "primary_language": "english",
      "page_number": 1
    }
  ]
}

FHIR Output

The extracted demographic fields are then mapped to a FHIR-compliant Patient resource, which provides a standardized structure for healthcare interoperability.

Key mappings include:

• Name, Birth Date, Gender: Populated into the Patient.name, Patient.birthDate, and Patient.gender fields.
• Identifiers: The medical record number is assigned to the Patient.identifier element.
• Contact Details: Address, phone number, and email are mapped to Patient.address and Patient.telecom.
• Language Preference: Captured in the Patient.communication.language element to indicate the patient’s primary language.

{
  "fullUrl": "urn:uuid:b17aaab1-311c-4d98-9c93-030277d0aeb0",
  "resource": {
    "resourceType": "Patient",
    "active": true,
    "name": [
      {
        "use": "official",
        "family": "Smith",
        "given": [
          "Joe",
          "M"
        ]
      }
    ],
    "gender": "male",
    "birthDate": "1940-01-01",
    "identifier": [
      {
        "value": "1234567890"
      }
    ],
    "telecom": [
      {
        "system": "phone",
        "value": "123-456-7890"
      },
      {
        "system": "email",
        "value": "joe.smith@email.com"
      }
    ],
    "address": [
      {
        "text": "123 Main St, Anytown, USA"
      }
    ],
    "communication": [
      {
        "language": {
          "coding": [
            {
              "system": "urn:ietf:bcp:47",
              "code": "en",
              "display": "English"
            }
          ]
        }
      }
    ],
    "id": "b17aaab1-311c-4d98-9c93-030277d0aeb0"
  }
}