AAPM TG-18 vs TG-270 — what changed

TG-270 supersedes TG-18 for medical display QA. The differences that matter and how PerfectLum supports both.

The framework in brief

This explainer is intended for operational decision-makers, not regulators. The goal is to make the standard concrete enough to apply.

How QUBYX maps to the framework

• Calibration target alignment
• Conformance reporting format
• Evidence retention recommendations
• Workflow scheduling integration

What to retain for audit

Reports, schedules, exception handling records, and version metadata. Specifics depend on the exact standard.

For policy interpretation specific to your environment, consult your qualified clinical, mission, or compliance team.