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Defining a Control
Introduction
Quality Control
UniCel DxC Systems Instructions For Use A13914
Page 6-4
October 2005
Defining a Control
Introduction
The operator may define up to 100 controls. The minimum input required to save a
control definition is control name, lot number, QC file number, sample type, and one
chemistry selection per control. The maximum number of configurable chemistries is
175 per control.
Controls may be edited by adding or deleting individual chemistries, and modifying
the mean, SD, and constituent codes.
Special or Unique Control Samples
Only compatible chemistries should be defined together in the same control definition;
however, the system will allow different pre-treated samples to be defined in the same
control. Pre-treated samples (i.e., HDLC, IBCT), diluted samples, or samples of
different sample types should be defined as separate controls with their own bar codes.
Drugs of Abuse Test chemistries have the cutoff value printed in the control range
column of the control report. The POSITIVE or NEGATIVE flag is printed in the
remarks column. The defined control range is used for the QC Summary and Chart
(Levey-Jennings) Reports.
Control Description
All described fields of the control definition screen (Define/Edit Controls) must be
filled in before leaving the control definition screen, otherwise the control will not be
saved.
Control identifiers are fields used to identify a specific control. This information
includes:
• Control Name
• Control Lot
• Sample Type