42 C.F.R. § 493.1265 Standard: Virology.
Title 42 - Public Health
(a) When using cell culture to isolate or identify viruses, the laboratory must simultaneously incubate a cell substrate control or uninoculated cells as a negative control material. (b) The laboratory must document all control procedures performed, as specified in this section.
Title 42: Public Health
PART 493—LABORATORY REQUIREMENTS
Subpart K—Quality System for Nonwaived Testing
Analytic Systems
§ 493.1265 Standard: Virology.

