User manual
VITEK
®
 2 Instrument User Manual Glossary-1
510731-10EN1
GLOSSARY
Access Doors VITEK
®
 2 VITEK
®
 2 has six doors to enable the operator to access the 
internal systems and stations to replenish supplies and 
perform maintenance and cleaning procedures: top access 
door, saline access door, front access door, bottom access 
door, cassette load (and unload) door, and waste collection 
access door.
Access Doors VITEK
®
 2 
XL
VITEK
®
 2 XL has nine doors to enable the operator to access 
the internal systems and stations to replenish supplies and 
perform maintenance and cleaning procedures: top access 
door section A, top access door section B, saline access door, 
front access door, front center sliding door, bottom access 
door, cassette load (and unload) door, and 2 waste collection 
access doors.
Accession/Lab ID The Accession ID is a unique identifier that associates a 
patient culture to a test card in the VITEK
®
 2 system. The 
Accession ID, which can contain up to 20 alphanumeric 
characters, is followed by a dash and a single-digit isolate 
number. Accession ID is the same as Lab ID.
Accessory Kit Supplied by bioMérieux, the accessory kit contains the tubing, 
disk filter, and shot tube for the Dispenser station, and a 
container of pipette tubes.
Aliquot A calculated unit of saline (see Dispenser/Pipettor) used with 
the organism culture to inoculate into the test card.
Antimicrobial 
Susceptibility Testing 
(AST)
Testing the susceptibility of certain bacteria to known antibiotic 
concentrations. VITEK
®
 2 helps the diagnostician determine 
the best medical treatment for the patient’s specific strain of 
microorganism tested. 
Analytical System Located in a portion of the instrument called the Reader/
Incubator station, it consists of the carousel, and two optics 
systems. The transmittance optics system indirectly measures 
organism growth as a function of decreasing light 
transmittance.
Automatic Dilution 
Mode
One of two possible settings for the Dilution Mode 
configuration on the VITEK
®
 2 instrument. In Automatic 
Dilution mode, AST suspensions are diluted by VITEK
®
 2. In 
Pre-diluted mode, the user prepares AST suspensions prior to 
loading test cards on the instrument.










