Guideline Current American College of Radiology (ACR) 2022
Lung-RADS® v2022
Structured reportUpdated Jul 5, 2026
Applies to
- Adults undergoing LDCT lung cancer screening
- Baseline and annual screening exams
- Screen-detected pulmonary nodules
Classification
- Category 0
- Category 1
- Category 2
- Category 3
- Category 4A
- Category 4B
- Category 4X
- Category S
Exclusions
- Symptomatic patients
- Incidentally detected nodules
- Known active lung cancer
- Diagnostic (non-screening) chest CT
Interactive
Decision tree
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Evidence
References
- PrimaryAmerican College of Radiology. Lung CT Screening Reporting & Data System (Lung-RADS®) Version 2022.
FAQ
Frequently asked
Does this guideline apply to oncology patients?
No — patients with known malignancy fall outside the scope unless the guideline states otherwise. Follow oncologic surveillance protocols instead.