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DiaSorin, LIAISON (Immunoassay 2013)

DiaSorin, LIAISON (Immunoassay 2013)

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Contact Information

DiaSorin Inc.
Brian Lauber
brian.lauber@diasorin.com
1951 Northwestern Ave.
Stillwater, MN 55082
800-328-1482/651-439-9710



Name of instrument/First year sold/Where designed LIAISON/1997/Germany
Country where manufactured/Where reagents manufactured Germany/U.S., Italy
Number of units in clinical use in U.S./Outside U.S. >500/>4,100
Operational type/Model type/Sample handling system batch, continuous random access/benchtop/rack
Dimensions in inches (H × W × D)/Instrument footprint in sq. feet 45 × 96 × 34/10
Tests available on instrument in U.S. 25 hydroxyvitamin D total, intact PTH, EBV IgM, EBNA IgG, VCA IgG, EA IgG, toxo IgG, toxo IgM, CMV IgG, CMV IgM, treponema IgG/IgM, VZV IgG, hGH, Borrelia burgdorferi, HAV IgM, HAV total antibodies, rubella IgG, HSV-1 type specific IgG, HSV-2 type specific IgG, insulin, measles IgG, mumps IgG, rubella IgM, IGF-1, testosterone, estradiol, FT4, direct renin, aldosterone, LH, FSH
Tests not available in U.S. but submitted for clearance
Tests not available in U.S. but available in other countries avidity, HSV I/II IgM, HSV I/II IgG, β-2-microglobulin, S-100, AFP, ferritin, T3, T4, anti-TG, TG
Tests in development FT3, C-peptide, prolactin
Tests not available on other manufacturers’ analyzers
Fully automated microplate system no
Number of each analyte performed in separate disposable unit
Number of wells in microplate
Methods supported/Separation methods chemiluminescence/magnetic particle
Number of different measured assays onboard simultaneously 15
Number of different assays programmed, calibrated at once 15
Number of user-definable (open) channels 0
Number of different analytes for which system accommodates reagent containers onboard at once/Tests per container set 15/100
Shortest/Median onboard reagent stability/Refrigerated onboard 7/28 days/yes (12°C)
Multiple reagent configurations supported no
Reagent container placed directly on system for use yes
Reagents bar coded/Information in bar code yes/all lot information
Same capabilities when 3rd-party reagents used/Susceptibility to carryover no/no
Walkaway capacity in minutes/Specimens/Tests-assays 360/144/1,500
System is open (home-brew methods can be used)/Liquid or dry system no/liquid
Uses disposable cuvettes/Maximum number stored yes/720
Uses washable cuvettes/Replacement frequency no/—
Minimum specimen volume required assay dependent
Minimum sample volume aspirated precisely at once/Minimum dead volume 5 µL/150 µL
Supplied with UPS (backup power)/Requires floor drain yes/no
Requires dedicated water system/Water consumption no/—
Noise generated
Has dedicated pediatric sample cup/Dead volume no/75 µL
Primary tube sampling/Tube sizes/Pierces caps on primary tubes yes/—/no
Sample bar-code reading capability/Autodiscrimination yes (2 of 5 interleaved, Codabar, codes 39 and 128)/yes
Bar-code placement per CLSI standard Auto2A yes
Onboard test auto inventory (determines volume in container) yes
Measures number of tests remaining/Short sample detection yes/yes
Auto detection of adequate reagent or specimen yes
Clot detection/Reflex testing capability yes/yes
Hemolysis detection-quantitation/Turbidity detection-quantitation no/no
Dilution of patient samples onboard/Automatic rerun capability yes/yes
Sample volume can be increased to rerun out-of-linear range high results/ Increased to rerun out-of-linear range low results no/no
Time between initial result and reaspiration of sample for rerun 2 minutes
Autocalibration or autocalibration alert no
Number of calibrators required for each analyte 2
Calibrants can be stored onboard/Average calibration frequency yes/28 days
Multipoint calib. supported/Multiple calibs. stored for same assay yes/no
How often QC required 24 hours
Onboard real-time QC/Support multiple QC lot Nos. per analyte no/yes
Automatic shutdown/Startup is programmable/Startup time no/no/15 minutes
Stat time to completion of β-hCG test
Time delay from ordering stat test to aspiration of sample 2 minutes
Throughput per hour for three analytes on each specimen, in number of specimens/Number of tests (cycle time)
Can auto transfer QC results to LIS/Onboard capability to review QC yes/yes
Data-management capability/Instrument vendor supplies LIS interface yes/yes (additional cost)
LIS interfaces up and running in active user sites Cerner, Soft, others
LIS interface operates simultaneously w/running assays yes
Bidirectional interface capability yes (host query)
Interface available (or will be) to auto specimen handling system no
Modem servicing/Can diagnose own malfunctions/ Determine malfunctioning component no/no/no
Can order (via modem) malfunctioning part(s) without operator no
On-site response time of service engineer 24 hours
Mean time between failures/To repair failures
Average time to complete maintenance by lab personnel daily: 10 minutes; weekly: 20 minutes; monthly: 30 minutes
Onboard maintenance records/Maintenance training demo module no/no
List price/Targeted bed size or daily volume $184,800 (includes first year of service)/all bed sizes, all volumes
Annual service contract cost (24 hours/7 days)
Training provided with purchase/Advanced operator training 3 days on site/yes
Distinguishing features (supplied by company) fully automated benchtop analyzer with high throughput; unique menu; up to 15 assays onboard with ready-to-use, reagent-integral, random-access, batch and stat operation
Tabulation does not represent an endorsement by the College of American Pathologists.