Most patient portals have a button labeled something like "Download my record," "Export summary," or "Transmit to another provider." Click it and you get a file, often ending in .xml, that opens as a long formatted page in a browser. That file is usually a Continuity of Care Document, or CCD. It is a standardized summary of your health record, and knowing what it is makes it far more useful.
What a CCD is
A CCD is a document type defined by the standards organization HL7 under a specification called the Consolidated Clinical Document Architecture, or C-CDA. The C-CDA defines several document types, such as discharge summaries and referral notes, that share a common structure. The CCD is the general-purpose summary: a snapshot of the most important parts of your record at the moment it was generated. Federal certification rules for electronic health records require that certified systems be able to create these documents and let patients view, download, and transmit them, which is why nearly every portal offers one.
What is inside
A CCD is organized into sections, each with a human-readable table and, underneath, structured data a computer can read. The sections commonly present include:
| Section | What you will find |
|---|---|
| Allergies and intolerances | Substances you react to and the type of reaction |
| Medications | Current and sometimes historical prescriptions, with dose and instructions |
| Problems | Diagnoses and conditions on your problem list, active and resolved |
| Procedures | Surgeries and procedures the practice has recorded |
| Results | Laboratory results, often the most recent set |
| Immunizations | Vaccines with dates |
| Vital signs | Blood pressure, weight, height, and similar measurements |
| Encounters | Visits with dates and reasons |
| Plan of treatment | Pending orders and upcoming care |
| Social history | Smoking status and similar items |
The document also carries a header with your demographic information, the practice that generated it, and the date and time it was created. That timestamp matters: a CCD is a snapshot, not a live view, and a file downloaded last year does not reflect this year's visits.
Why it looks the way it does
A CCD is written in XML, a text format designed for computers. When you open it in a browser, a stylesheet included with or referenced by the file renders it as a readable page; when another practice's system imports it, the software reads the structured data underneath. This dual design is why the file can be both a document you can print and a payload another EHR can absorb. If the file opens as a wall of code rather than a formatted page, the stylesheet did not load; opening it in a different browser or asking the practice for a PDF version usually solves it.
Privacy note: A CCD contains a great deal of sensitive information in a single file. Store it somewhere encrypted, do not email it unencrypted, and delete copies from shared or public computers after use.
How to get yours
Log in to the portal and look for a health summary, medical record, or document download option. Many portals also offer a "transmit" function that sends the CCD directly to another provider's secure address. If the portal does not offer a download, you can submit a written request for access under HIPAA and ask for the record in electronic form; the practice must provide it in the form and format you request if it is readily producible, and a CCD from a certified system generally is. Under HIPAA, a practice may charge only a reasonable, cost-based fee for copies, and many provide portal downloads at no charge.
Using it when you change doctors
Bring the CCD with you, or transmit it ahead of your first visit. A new practice can import the file into its own system, which saves re-typing your medication and allergy lists and reduces errors. Even if the practice does not import it, the printed version is a clean, organized summary that a new clinician can read in a few minutes. Health apps that connect to portals often use the same underlying data, and some accept CCD files directly.
What it does not include
A CCD is a summary. It generally does not include full visit notes, imaging pictures, scanned outside records, or billing history. It may show only recent results rather than every result ever recorded. If you need the complete record, request it separately; HIPAA gives you a right to the full designated record set, and certified systems can now export the whole thing in electronic form. The CCD is the fastest and most portable piece of that record, and for most transitions it is the piece that matters.
Common questions
Why does my downloaded record open as code?
A CCD is an XML file that relies on a stylesheet to display as a formatted page. If the stylesheet does not load, the browser shows raw code. Try a different browser, or ask the practice for a PDF rendering of the same summary.
Is the CCD my complete medical record?
No. It is a standardized summary of key sections such as medications, allergies, problems, results, and immunizations. Full visit notes, images, and scanned documents are usually not included. You can request the complete record separately under HIPAA.
Can another doctor's office import my CCD?
Most certified electronic health record systems can import a CCD, pulling medications, allergies, and problems into your new chart. Some practices prefer that you transmit it through the portal's secure send function rather than bringing a file on a drive.
Can a practice charge me for the CCD?
Portal downloads are usually free. If you request a copy from the practice, HIPAA allows only a reasonable, cost-based fee for labor and supplies, and electronic copies typically cost little or nothing.