Roche Diagnostics
F-4 Operator’s Manual · Version 3.1
Glossary Cedex Bio System
calculated result - diluent (DIL)
calculated result A test result calculated from
different individual analytical methods with a given
formula such as ratio A/B.
calibration The set of operations that establish, under
specified conditions, the relationship between values
indicated by the analytical instrument and the
corresponding known values of an analyte.
calibration interval A specified interval at which an
assay should be calibrated. Typically found on reagent
package inserts.
calibration type Describes the event that triggers the
calibration, for example lot change, and interval
expiration.
calibrator 1. A material of known composition or
properties that can be presented to the analytical
instrument for calibration purposes.
2. The test portion or test solution used for calibration of
an analytical procedure.
carryover A process by which materials are carried into
a reaction mixture where they do not belong.
check digit A verification number used in barcodes
and software.
check sum The result of a mathematical procedure to
validate the integrity of a set of data.
cleaner A solution used to wash the probe.
clot detection 1. A device built into the pipetting
system to detect clots and to avoid false pipetting.
2. The procedure of detecting a clot.
cobas A modular range of in vitro diagnostics systems
from Roche Diagnostics/Hitachi High-Technologies.
communication The exchange of data between
different computers.
conditioning The process of letting protein containing
liquid flow through the flow path before electrolyte
measurement.
consumables A generic term for items that are used
during test processing and must be replaced on a regular
basis by the operator. Examples of consumables include
printer paper and cuvette segments.
control See control material.
control ID The abbreviated name for a control
material. Control IDs are used on screens where limited
space prevents the use of longer names.
control material A material used to assess the
performance of an analytical procedure or part of an
analytical procedure. Also called the control sample.
control name The name of a control material.
CPU The Central Processing Unit of the system or
computer.
cup See sample cup.
cup-on-tube The placement of a smaller secondary
sample container (for example a Hitachi Cup) on top of a
primary sample tube.
cuvette Disposable plastic container into which
sample, reagents, diluent, and water is pipetted, and
where the sample pre-dilution and reaction takes place.
cuvette port Section of the analyzer unit where cuvette
segments are inserted and removed.
cuvette segment Cuvette holder containing 10
cuvettes.
cycle The instrument time interval during which
pipetting or measurement can be carried out.
database A defined section of the computer memory
where all instrument- and assay-relevant data are
processed and stored.
DB Abbreviation for database.
DBMS Abbreviation for database management system.
dead volume The amount of residual sample material
in a sample tube or cup.
default QC An automated process for performing
multiple QC measurements at the time when you define
the QC orders.
default value A set value registered in advance (initial
setting).
diluent (DIL) A liquid agent used to reduce the
concentration of a sample.
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