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LAS Calculator

The Lung Allocation Score (LAS) is a numerical calculation used for allocating lungs to candidates who are 12 years of age or older. The LAS is calculated from clinical diagnostic factors which estimate each candidate's waitlist urgency and post-transplant survival probability.

Learn more about the LAS System
Learn about the LAS Calculator
Go to the LAS Calculator

Did you know?
Additional lung allocation system resources are available on the United Network for Organ Sharing (UNOS) Web site. Go *