This document specifies definitions and general requirements for cell viability analytical methods. It provides general considerations for selecting and establishing fit-for-purpose cell viability analytical methods. It also provides considerations for managing sources of variability for cell viability measurements during pre-analytical, analytical, and post-analytical phases.
This document is applicable to cells in suspension, cells adhered to a substrate, and cells in complex matrices.
This document is primarily applicable to cell viability measurements of nucleated mammalian cells.
Several sector/application-specific international and national standards for cell viability currently exist. When applicable, the user can consult existing standards when operating with their scope.
IN_DEVELOPMENT
ISO/FDIS 8934-1
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Feb 11, 2026
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