Last Updated: June 2026
Introduction
This Privacy Policy explains how Codeminer collects, uses, and protects your personal information when you use the service.
Information We Collect
Account Information
When you create an account, we collect:
- Email address
- First name and surname
- Institution
- User type (NHS clinician, clinical researcher/academic, or other)
Workbench Data
When you use the Codeminer workbench, we store:
- Saved queries and CMQL drafts
- Generated codelists
This data is associated with your account and is only accessible to you.
How We Use Your Information
We use your information to:
- Provide and maintain access to the Codeminer workbench
- Save your queries and codelists between sessions
- Communicate important updates about the service
- Improve and develop new features
Legal Basis for Processing
We process your personal data under the following legal bases:
- Consent: You have given explicit consent for us to collect and store your account data
- Legitimate Interests: To provide and improve the Codeminer service
Data Storage and Security
- All data is stored securely on AWS servers in the United Kingdom
- We use HTTPS encryption for all data transmission
- Passwords are hashed and never stored in plain text
- Access to your data is restricted to authorised personnel only
Cookies
Essential Cookies
We use only cookies that are strictly necessary for the application to function:
- Authentication cookies: Used to maintain your login session
Data Sharing
We do not sell, rent, or share your personal data with third parties except when required by law.
Your Rights
Under UK GDPR, you have the right to:
- Access your personal data
- Correct inaccurate data
- Delete your data and account
- Withdraw consent at any time
To exercise these rights, use your account settings or contact the Codeminer team at data-protection@ucl.ac.uk.
Data Retention
- Account data is retained while your account is active
- You can request deletion of your account and all associated data at any time through your account settings
- Once deleted, your data cannot be recovered
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by email or through a notice within the application.