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Bio-Rad Laboratories Clinical Diagnostics Group, PhD lx (Chemistry-Immunoassay Mid and High Volume, 2018)

Bio-Rad Laboratories Clinical Diagnostics Group, PhD lx (Chemistry-Immunoassay Mid and High Volume, 2018)

Chemistry and immunoassay analyzers for mid- and high-volume laboratories, July 2018

Contact Information

Name of instrument PhD lx
Type of instrument immunoassay
Operational type/Model type batch/benchtop
List price/First year sold in U.S. —/2012
Targeted hospital bed size/Targeted daily test volume —/50–200 samples
Company manufactures instrument yes
Other models in this family of analyzers
No. of units in clinical use in U.S./Outside U.S. (countries)
Dimensions (H × W × D)/Instrument footprint (square feet) 30 × 36 × 27 in./7 sq. ft.
Weight empty/Weight fully loaded 112 lbs./—
Tests available on analyzer in U.S. open system: autoimmune and infectious disease assays
Tests not available in U.S. but available in other countries
Tests in development for analyzer
No. of different measured assays onboard simultaneously 8 enzyme immunoassay or 4 IFA (8 enzyme immunoassay or 4 IFA can be run and calibrated at one time)
No. of user-definable (open chemistry) channels no limit
Test throughput per hour/Assay run time assay dependent/assay dependent
No. of direct ion-selective electrode channels
Detection methods
Stat time until completion/specimen throughput for:
• Ion-selective electrode
• Basic metabolic panel
• Complete metabolic panel
Typical time delay from ordering stat test until aspiration of sample
Fully automated microplate immunoassay system no (96 wells per microplate)
Methodologies supported enzyme immunoassay, immunofluorescence
Separation methodologies coated microwell, glass slide (substrates: cell culture and tissue)
Stat time until completion of a ß-hCG test
Typical time delay from test order to aspiration of sample
Stat time until completion of a cTn test
• Typical time delay from test order to aspiration of sample
Approx. No. of tests per reagent set or pack/Reagent type 96 (up to 8 different assays)/open reagent system
Reagents refrigerated onboard/Reagents ready to use no/yes
Reagent lot tracking/Reagent inventory yes/no
Reagent form/Reagents barcoded liquid chemistry (open reagent system)/no
Separate reagent pack for each specimen/for each test run no/no
Walkaway capability/Walkaway duration yes/192 specimens or 8 EIA or 4 IFA tests/assays
Design of sample handling system batch, benchtop, reagent rack
Uses washable cuvettes/Uses disposable cuvettes no/no
Min.–max. sample volume that can be aspirated at one time 1–100 µL
Min. reaction volume/Min. specimen volume/Min. dead volume 1 µL/1 µL/150 μL
Dedicated pediatric sample cup no
Primary tube sampling/Pierces caps on primary tubes yes (tubes [in mm]: 12–13 diameter, 75–100 height)/no
Protects against probe collision no
Detects clots/liquid level/short sample no/yes/yes
Detection for hemolysis/icterus/lipemia/clots no/no/no/no
Dilutes patient samples onboard/Susceptibility to carryover yes (can be programmed to perform dilutions prior to analysis)/—
Automatic rerun capability no
Sample volume can be diluted to rerun out-of-linear-range high results/concentrated to rerun out-of-linear-range low results yes/no
Analyzer requires dedicated water supply no
Autocalibration/Multipoint calibration supported no (calibrants are not stored onboard)/yes (recommended avg. frequency: each run)
Typical calibration frequency for ISE/therapeutic drugs/ drugs of abuse/general chemistries/immunoassays —/—/—/—/each run
Automatic programmable start/Automatic programmable shutdown no/no
Onboard real-time QC/Onboard software capability to review QC no/yes
Supports multiple QC lot numbers per analyte no
Waste management manually by user or automated collection onboard instrument
Sample barcode-reading capability/Autodiscrimination yes (Interleaved 2 of 5, Codabar, Code 39, Code 128)/yes
Lab can control analyzer from remote computer no
Instrument can diagnose its own malfunctions no (operator intervention required to order parts)
System malfunctions can be diagnosed via remote monitoring no
UPS backup power supply/Data-management capability yes/onboard
LIS or EHR systems interfaced
LIS interface provided/Bidirectional interface capability no/yes (broadcast download and host query)
Modem servicing provided/Service engineer on-site response time no/24 hrs.
Mean time between failures — (displays error codes for troubleshooting)
Average scheduled maintenance time by lab personnel daily: < 5 min.; weekly: 15 min.; monthly: 30 min.
Maintenance records kept onboard for user/vendor no/no
Maintenance training demonstration module onboard no
Training included with purchase/Avg. time for basic user training yes/2 days (at customer site)
Advanced operator training/Where advanced training is held no/—
Warranty provided/Cost of annual service contract (24 h/7 d) yes (1 year)/—
Distinguishing features (supplied by company) • open platform with assay programming wizard and capability to run IFA and EIA methods on a single instrument • accurate delivery of volumes as low as 1 μL • unique IFA hyperwash, resulting in lower background fluorescence
Note: a dash in lieu of an answer means company did not answer question or question is not applicable
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