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NAS

NAS NAS stands for Non-Alcoholic Fatty Liver Disease Activity Score.

NAS stands for Non-Alcoholic Fatty Liver Disease Activity Score. It is a scoring system used in the microscopic tissue evaluation of nonalcoholic fatty liver disease and nonalcoholic steatohepatitis.

Also see

Sources

Drafting source: NCI Thesaurus. Flat export snapshot 2026-10-18. “Non-Alcoholic Fatty Liver Disease Activity Score” (C181472).
CC-BY-4.0 · Source snapshot SHA-256: b27ca135beadd46c343d248135377c5077c5447fe11b93803bfab866b84fcd38

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “NAS.” Development preview.

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