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Case Study: Drupal 7 to Drupal 10+ Upgrade

Critical Healthcare Platform Upgraded from Drupal 7 to 10+

NHG Referentiemodel manages medical coding tables and reference models used by professionals across the Netherlands

https://referentiemodel.nhg.org

Healthcare IT Standards

NHG Referentiemodel is a Dutch healthcare IT body managing medical coding tables and reference models used by professionals across the Netherlands.

Medical Coding Platform

Upgrade from Drupal 7 to Drupal 10+ with strict constraints on data integrity, uptime, compliance, and healthcare-specific workflows.

Website Casestudy

The Approach

Reviewing the Medical Stack

Assessed legacy database, viewers, and reference tools tied to healthcare coding workflows.

Automated Migration Design

Built AI-powered pipelines to transform structure, migrate data, and retain all business logic.

Maintaining Coding Tool Access

Focused on preserving access to online viewers, coding tables, and APIs.

Live System Delivery with No Downtime

Staged rollouts to mirror production closely, tested full functionality before switch-over.

Visual and Functional QA with Real Users

Used automated screenshot diffs, table audits, and manual review by actual healthcare staff to verify stability and usability.

Mission-Critical System Upgrade

Full migration to Drupal 10+ with zero loss of functionality. All medical coding systems and viewer tools retained. The platform stayed operational during the upgrade. Post-upgrade maintenance was simplified. Data audits showed full parity.

Key metrics
  • 0% Data Loss: Verified across over 100 medical coding tables
  • <1hr Downtime: Entire switch completed during low-traffic hours
  • 30% Lower Maintenance Costs post-upgrade
  • Full Compliance: All reference tools passed healthcare QA protocols
  • Zero functionality loss across all systems
Your site, upgraded & modernized to the latest Drupal version

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Immediate progress Upon approval, we start the upgrade process right away.

Niels de Feyter
Founder CodeLift & Expert in AI-Powered Drupal Migrations
niels.defeyter@codelift.ai
 LinkedIn
 (+31) 06-44394450
The Netherlands
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Your Most Common Drupal Migration Questions

AI-Powered Drupal Upgrade FAQs

Our AI-first approach completes upgrades in weeks, not months, by automating 90% of the heavy lifting. Meanwhile, experts verify quality, ensuring your site transitions smoothly and quickly.

CodeLift’s AI-based process happens mostly offline, so users see no disruption. We do a short content-freeze (often just hours) right before launch, ensuring a stress-free switch with zero data loss.

Yes. We offer a 100% migration success guarantee with no budget overruns and no data loss. Our AI identifies potential issues early, and our expert team ensures your site stays fully functional.

We preserve your SEO settings, ensure all necessary redirects are implemented, and conduct regression tests for all SEO links to guarantee that your search engine rankings remain unaffected during the upgrade.

Yes, our AI engine refactors your custom modules for compatibility with newest Drupal APIs, preserving functionality and preventing breakage during go-live.

We offer thorough support after the upgrade to ensure your site runs secure and any issues are quickly resolved.

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