Lung Cancer LDCT Screening Criteria (USPSTF)

Determine eligibility for annual low-dose CT lung cancer screening per USPSTF 2021. Criteria: age 50-80 years, 20 or more pack-year smoking history, and currently smoking or quit within the past 15 years.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How to Use

Enter the values for the scenario you are assessing. Determine eligibility for annual low-dose CT lung cancer screening per USPSTF 2021. Criteria: age 50-80 years, 20 or more pack-year smoking history, and currently smoking or quit within the past 15 years. Use the lung cancer ldct screening result to inform your calculation.

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Frequently Asked Questions