What this means in a clinic conversation
NIST emphasizes measurement methods and their limitations. A viability percentage needs a test method and time point; it is different from proof of a cell type, biological potency or clinical benefit.
A question to bring
How and when was viability measured, including after storage or thawing?
Open the visit checklist →Related and commonly confused terms
Sources and editorial context
This definition was compiled from the sources below and has not received independent clinical review. It supports understanding and consultation preparation.
- Cell Viability for Advanced Therapies · National Institute of Standards and TechnologyReference checked 2026-10-02