BD FACSPresto Near-Patient CD4 Counter Instructions For Use42
Quality and process control overview
Introduction This topic provides information on running instrument quality
control (QC) and process controls.
About instrument
QC
Instrument QC is a test to make sure that your instrument is
operating properly. It automatically runs, and the results print,
every time the instrument turns on.
About process
controls
Process controls are liquid control materials that are processed like
patient samples to monitor the performance of the system. Self-
validated process controls may be run using the instructions in this
chapter.
Workflow for
process controls
The workflow for running process controls includes these stages.
Stage Description
1
Entering process control information (page 45)
2 Preparing process controls (page 50)
3 Running process controls (page 53)
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