Xpert CT/NG Controlled - Cepheid
yCoplledXpert CT/NGControREF GXCT/NG-10ForInformationOnly-NotAGXCT/NG-120In Vitro Diagnostic Medical DeviceIVD301-0234, Rev. K August 2019
Trademark, Patents and Copyright StatementsCepheid , the Cepheid logo, GeneXpert and Xpert are trademarks of Cepheid.CopyTHE PURCHASE OF THIS PRODUCT CONVEYS TO THE BUYER THE NON-TRANSFERABLE RIGHT TO USE IT INACCORDANCE WITH THIS PACKAGE INSERT. NO OTHER RIGHTS ARE CONVEYED EXPRESSLY, BY IMPLICATION ORBY ESTOPPEL. FURTHERMORE, NO RIGHTS FOR RESALE ARE CONFERRED WITH THE PURCHASE OF ight Cepheid 2019. All rights reserved.Cepheid904 Caribbean DriveSunnyvale, CA 94089USAPhone: 1 408 541 4191Fax: 1 408 541 4192
yXpert CT/NGProprietary Named1CopFor in vitro diagnostic use only2lleXpert CT/NGCommon or Usual Name3ControXpert CT/NGIntended Use4otAThe Xpert CT/NG test, performed on the GeneXpert Instrument Systems, is a qualitative in vitro real-time PCR test for theautomated detection and differentiation of genomic DNA from Chlamydia trachomatis (CT) and/or Neisseria gonorrhoeae (NG)to aid in the diagnosis of chlamydial and gonorrheal disease in the urogenital tract and extragenital sites (pharynx and rectum). Theassay may be used to test the following specimens from asymptomatic and symptomatic individuals: female and male urine,patient-collected vaginal swabs (collected in a clinical setting), clinician-collected endocervical swabs, and female and malepharyngeal and rectal swabs.Summary and Explanationnly-NChlamydia trachomatis (CT) are Gram-negative, non-motile, bacteria that exist as obligate intracellular parasites of eukaryoticcells due to their inability to synthesize ATP. The CT species is comprised of at least fifteen serovars that can cause disease inhumans; serovars D through K are the major cause of genital chlamydial infections in men and women1. Left untreated, CT cancause non-gonococcal urethritis, epididymitis, proctitis, cervicitis, and acute salpingitis. In women, untreated CT can lead to pelvicinflammatory disease (PID) in more than 40% of the infected population and render up to 20% infertile. PID can manifest asendometritis, salpingitis, pelvic peritonitis, and tubo-ovarian abscesses.2,3,4,5ionONeisseria gonorrhoeae (NG) are non-motile, Gram-negative diplococci, and the causative agent of gonorrheal disease. Gonorrheais the second most commonly reported bacterial sexually transmitted disease (STD). The majority of urethral infections caused byNG among men produce symptoms that cause them to seek curative treatment, but among women, infections often do not producerecognizable symptoms until complications (e.g., PID) have occurred.65ormatNG and CT infections are not limited to the genital tract but include extragenital sites, such as the pharynx and rectum.7 This isparticularly true for men who have sex with men, where disease may be limited to the pharynx or rectum and may go undetected ifonly genital sites are tested.8 However, extragenital disease has also been reported in women.9 Improved detection of extragenitalNG is critical for identifying patients who require treatment and may prevent development of drug resistance due to inadequatetreatment regimens that do not cover extragenital sites.10Principle of the ProcedurerInfThe Xpert CT/NG test is an automated in vitro diagnostic test for qualitative detection and differentiation of DNA from CT andNG. The test is performed on the Cepheid GeneXpert Instrument Systems.FoThe GeneXpert Instrument Systems automate and integrate sample purification, nucleic acid amplification, and detection of thetarget sequences in simple or complex samples using real-time PCR and RT-PCR assays. The systems consist of an instrument,personal computer, and preloaded software for running tests on collected samples and viewing the results. The systems require theuse of single-use disposable cartridges that hold the PCR reagents and host the PCR process. Because the cartridges are selfcontained, cross-contamination between cartridges during the testing process is minimized. For a full description of the systems,refer to the appropriate GeneXpert Instrument System Operator Manual.The Xpert CT/NG test includes reagents for the 5’ exonuclease real-time PCR detection of CT and NG. Reagents for the detectionof a Sample Processing Control (SPC), a Sample Adequacy Control (SAC), and a Probe Check Control (PCC) are also included inthe cartridge. The SPC is present to control for adequate processing of the target bacteria and to monitor the presence of inhibitorsin the PCR reaction.Xpert CT/NG301-0234, Rev. K August 20191
Xpert CT/NGThe SAC reagents detect the presence of a single copy human gene and monitor whether the sample contains human DNA. ThePCC verifies reagent rehydration, PCR tube filling in the cartridge, probe integrity, and dye stability. The primers and probes in theXpert CT/NG test detect chromosomal sequences in the bacteria. One target is detected for CT (CT1) and two different targets aredetected for NG (NG2 and NG4). Both NG targets need to be positive for the Xpert CT/NG test to return a positive NG result.CopyThe Xpert CT/NG test is designed for use with the following specimens collected from symptomatic and asymptomaticindividuals: female and male urine, patient-collected vaginal swabs (collected in a clinical setting), clinician-collectedendocervical swabs, and female and male pharyngeal and rectal swabs. The urine and swab transport reagents are designed topreserve patient specimens to allow transport to the laboratory prior to analysis with the Xpert CT/NG test and are included in thefollowing specimen collection kits: Xpert CT/NG Urine Specimen Collection Kit, the Xpert Urine Specimen Collection Kit, theXpert CT/NG Vaginal/Endocervical Specimen Collection Kit, the Xpert Vaginal/Endocervical Specimen Collection Kit, and theXpert Swab Specimen Collection Kit.66.1 ControlledThe specimen is briefly mixed by inverting the collection tube several times and/or aspirating with a transfer pipette. Using thesupplied transfer pipette, the sample is pipetted above the fill mark on the transfer pipette and transferred to the sample chamber ofthe Xpert CT/NG cartridge. The GeneXpert cartridge is loaded onto the GeneXpert Instrument System platform, which performshands-off, automated sample processing, and real-time PCR for detection of DNA. Summary and detailed test results are obtainedin approximately 90 minutes and are displayed in tabular and graphic formats.Reagents and InstrumentsMaterial ProvidedThe Xpert CT/NG kit (GXCT/NG-10) contains sufficient reagents to process 10 specimens or quality control samples, and theXpert CT/NG kit (GXCT/NG-120) contains sufficient reagent to process 120 specimens or quality control samples.Xpert CT/NG cartridges with integrated reaction tubes Elution Reagent Lysis Reagent (Guanidinium thiocyanate)nly Wash Reagent-N Bead 1, 2, and 3 Binding ReagentOTransfer pipettes (1 mL)otAThe kits contain the following:1 of each per cartridge120 per kit1 of each per cartridge2.0 mL per cartridge2.0 mL per cartridge2.5 mL per cartridge2.5 mL per cartridge0.5 mL per cartridge0.5 mL per cartridge3.0 mL per cartridge3.0 mL per cartridge10 per kit125 per kit1 per kit1 per kitationCD Assay Definition Files (ADF) Instructions to import ADF into GeneXpert software Instructions for Use (Package Insert)10 per kitormNote Safety Data Sheets (SDS) are available at www.cepheid.com or www.cepheidinternational.com under the SUPPORT tab.The bovine serum albumin (BSA) in the beads within this product was produced and manufactured exclusively from bovine plasmanfNote sourced in the United States. No ruminant protein or other animal protein was fed to the animals; the animals passed ante- and postmortem testing. During processing, there was no mixing of the material with other animal materials.Storage and HandlingrI7 28 Store the Xpert CT/NG cartridges and reagents at 2 C – 28 C until the expiration date provided on the label. Do not use reagents or cartridges that have passed the expiration date. Do not open a cartridge until ready to test. Use cartridges within 30 minutes after opening the cartridge lid. Do not use a cartridge that has leaked.Fo 22Xpert CT/NG301-0234, Rev. K August 2019
Xpert CT/NGMaterials Required but Not ProvidedPrimary samples must be collected and treated with the appropriate kit:Xpert CT/NG Urine Specimen Collection Kit (CT/NGURINE-50) or Xpert Urine Specimen Collection Kit(URINE/A-50)CopFor GeneXpert Dx System: GeneXpert Dx software version 4.3 or higher For GeneXpert Infinity-48 System: Xpertise software version 4.3 or higher For GeneXpert Infinity-48s or Infinity-80 systems: Xpertise software version 6.0 or higherd Printer: If a printer is required, contact Cepheid Technical support to arrange for the purchase of a recommended printer.ControMaterials Available but Not Provided ZeptoMetrix NATtrol CT/NG External Run Controls (catalog # NATCT/NGNEG-6MC) as negative control. ZeptoMetrix NATtrol CT/NG External Run Controls (catalog # NATCT(434)-6MC and NATNG-6MC) as positivecontrols.Warnings and PrecautionsGeneral For in vitro diagnostic use. For prescription use only. Pathogenic microorganisms, including hepatitis viruses and Human Immunodeficiency Virus, may be present in clinicalspecimens. Treat all biological specimens, including used cartridges, as if capable of transmitting infectious agents. Becauseit is often impossible to know which might be infectious, all biological specimens should be treated with standardprecautions. Guidelines for specimen handling are available from the U.S. Center for Disease Control and Prevention andthe Clinical and Laboratory Standards Institute.11,12nly-N10.1 GeneXpert Dx System or GeneXpert Infinity Systems (catalog number varies by configuration): GeneXpert instrument,computer, barcode scanner, and operator manual 10Xpert CT/NG Vaginal/Endocervical Specimen Collection Kit (CT/NGSWAB-50) or Xpert Vaginal/EndocervicalSpecimen Collection Kit (SWAB/A-50) or Xpert Swab Specimen Collection Kit (SWAB/G-50)lle 9 y otA8Follow your institution’s safety procedures for working with chemicals and handling biological samples. Biological specimens, transfer devices, and used cartridges should be considered capable of transmitting infectious agentsrequiring standard precautions. Follow your institution’s environmental waste procedures for proper disposal of usedcartridges and unused reagents. These materials may exhibit characteristics of chemical hazardous waste requiring specificnational or regional disposal procedures. If national or regional regulations do not provide clear direction on proper disposal,biological specimens and used cartridges should be disposed per WHO [World Health Organization] medical waste handlingand disposal guidelines.10.2SpecimenorFor collection of endocervical swab specimens, patient-collected vaginal swab specimens, pharyngeal swab specimens andrectal swab specimens, use the Xpert Swab Specimen Collection Kit.nf For collection of endocervical swab specimens and patient-collected vaginal swab specimens, use only the Xpert CT/NGVaginal/Endocervical Specimen Collection Kit or the Xpert Vaginal/Endocervical Specimen Collection Kit.m ationO For urine specimens, use only the Xpert CT/NG Urine Specimen Collection Kit, Xpert Urine Specimen Collection Kit orunpreserved (neat) urine.rI Fo Under or over dispensing of urine into Urine Transport Reagent tubes may affect assay performance. Endocervical and patient-collected vaginal swab specimens must be collected and tested before the expiration date of theSwab Transport Reagent tube. Urine specimens must be tested before the expiration date of the Urine Transport Reagent tube. For rectal swab collection, highly soiled fecal swabs should not be used as they may result in errors. Maintain proper storage conditions during specimen transport to ensure the integrity of the specimen. Specimen stabilityunder shipping conditions other than those recommended has not been evaluated.Xpert CT/NG301-0234, Rev. K August 20193
Xpert CT/NG Do not open the Xpert CT/NG cartridge lid except when adding the sample. Do not use a cartridge that has been dropped or shaken. Do not place the sample ID label on the cartridge lid or on the barcode label. Do not use a cartridge that has a damaged reaction tube. Each single-use Xpert CT/NG cartridge is used to process one test. Do not reuse processed cartridges. Use of CT positive controls in the NG only assay mode may lead to invalid control results. Use of NG positive controls in the CT only assay mode may lead to invalid control results. Do not test the endocervical or patient-collected vaginal specimens received in the laboratory without the swab present. Afalse negative test result may occur. CHANGE GLOVES if they come in contact with specimen or appear to be wet, to avoid contaminating other specimens.Change gloves before leaving work area and upon entry into work area. In the event of a spill of specimens or controls, wear gloves and absorb the spill with paper towels. Then, thoroughly cleanthe contaminated area with a 1:10 dilution of freshly prepared household chlorine bleach. Final active chlorine concentrationshould be 0.5% regardless of the household bleach concentration in your country. Allow a minimum of two minutes ofcontact time. Ensure the work area is dry before using 70% denatured ethanol to remove bleach residue. Allow surface to drycompletely before proceeding. Or, follow your institution’s standard procedures for a contamination or spill event. Forequipment, follow the manufacturer’s recommendations for decontamination of equipment.CopdlleControSignal Word: WARNING UN GHS Hazard StatementsHarmful if swallowed May be harmful in contact to skin Causes eye irritationnly -N otAChemical Hazards13,14 yDo not substitute Xpert CT/NG reagents with other reagents.UN GHS Precautionary Statements Prevention O11 Wash thoroughly after handlingResponseion2Assay/Reagent If skin irritation occurs: Get medical advice/attention. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.Continue rinsing.If eye irritation persists: Get medical advice/attention.m at10.3Call a POISON CENTER or doctor/physician if you feel unwell.or Storage/DisposalDispose of content and/or container in accordance with local, regional, national, and/or international regulations.ForInf 4Xpert CT/NG301-0234, Rev. K August 2019
Xpert CT/NG12Specimen Collection and TransportCollect specimens only with a Cepheid collection kit: 2 First catch male urine specimen must be transferred to the Xpert Urine Transport Reagent or Xpert CT/NG Urine TransportReagent tube within 3 days of primary collection if shipped and/or stored at room temperature. First catch male and female urine specimen NOT transferred to the Xpert Urine Transport Reagent or Xpert CT/NG UrineTransport Reagent tube (unpreserved urine specimen) can be shipped and/or stored for up to 8 days at 4 C 2 C. First catch female urine specimen that is transferred to the Xpert Urine Transport Reagent or Xpert CT/NG Urine TransportReagent tube (preserved female urine specimen) can be shipped and/or stored up to 45 days at 2 C to 15 C, or up to 3 daysat 2 C to 30 C before testing with the Xpert CT/NG test. First catch male urine specimen that is transferred to the Xpert Urine Transport Reagent or Xpert CT/NG Urine TransportReagent tube (preserved male urine specimen) can be shipped and/or stored up to 45 days at 2 C to 30 C before testingwith the Xpert CT/NG test.CopyFirst catch female urine specimen must be transferred to the Xpert Urine Transport Reagent or Xpert CT/NG UrineTransport Reagent tube within 24 hours of primary collection if shipped and/or stored at room temperature. 3012.2lle 30Contro 2 15 Xpert CT/NG Vaginal/Endocervical Specimen Collection Kit (CT/NGSWAB-50) or Xpert Vaginal/EndocervicalSpecimen Collection Kit (SWAB/A-50) or Xpert Swab Specimen Collection Kit (SWAB/G-50)For collection of endocervical swab specimens and patient-collected vaginal swab specimens, use the Xpert CT/NG Vaginal/Endocervical Specimen Collection Kit or the Xpert Vaginal/Endocervical Specimen Collection Kit.otA 2Xpert CT/NG Urine Specimen Collection Kit (CT/NGURINE-50) or Xpert Urine Specimen Collection Kit(URINE/A-50)d12.1For collection of endocervical swab specimens, patient-collected vaginal swab specimens, pharyngeal swab specimens and rectalswab specimens, use the Xpert Swab Specimen Collection Kit. 30 Swab samples in Xpert Swab Transport Reagent or Xpert CT/NG Swab Transport Reagent tubes are stable up to 60 days at2 C to 30 C before testing with the Xpert CT/NG test.Refer to the appropriate specimen collection kit package insert for collection and transport instructions.ProcedureO13Swab samples stored in Xpert Swab Transport Reagent or Xpert CT/NG Swab Transport Reagent tubes should betransported to the laboratory at 2 C to 30 C.-N 2 30nly 2Important Start the test within 30 minutes of adding the sample to the cartridge.ionPreparing the CartridgeTo add the sample to the Xpert CT/NG cartridge:Obtain the following items: Transfer pipette (provided)Appropriately collected and labeled test sampleOpen the cartridge lid.nf2.Xpert CT/NG cartridgeor at1.m13.1Gently invert the transport tube 3 to 4 times to ensure adequate mixing of sample and transport matrix.4.Unwrap the transfer pipette.5.Open the transport tube lid, compress the bulb of the transfer pipette, insert the pipette into the transport tube, and release thebulb to fill the transfer pipette above the mark on the pipette shaft (Figure 1). Ensure the pipette is filled with no air bubblespresent.ForI3.Xpert CT/NG301-0234, Rev. K August 20195
Xpert CT/NGBulbControlledCopyFill above this markFigure 1. Transfer Pipette and Fill Mark6.Empty the pipette’s content into the sample chamber of the cartridge (see Figure 2).Sample Chamber(Large Opening)nly-NotAs7.Close the cartridge lid.External ControlsExternal controls described in Section 9, Materials Available but Not Provided are available but not provided and may be used inaccordance with local, state, and federal accrediting organizations, as applicable.ion13.2OFigure 2. Xpert CT/NG Cartridge (Top View)Invert the NATtrol sample 3 to 4 times.2.Open the cartridge lid. Using a clean transfer pipette, fill the transfer pipette above the mark on the pipette shaft (Figure 1)with the NaTtrol sample. Ensure the pipette is filled with no air bubbles present.orm1.Empty the contents of the pipette into the sample chamber with large opening in the cartridge (Figure 2).nf3.4.Close cartridge lid.Starting the TestForI13.3atTo run a control using the Xpert CT/NG test, perform the following steps:NoteBefore you start the test, make sure that the system is running GeneXpert 4.3 Software or higher and that the Xpert CT/NG AssayDefinition File is imported into the software.This section lists the basic steps for running the test. For detailed instructions, see the GeneXpert Dx System Operator Manual orthe GeneXpert Infinity System Operator Manual, depending on the model of instrument that is being used.Note The steps you follow may be different if the system administrator has changed the default workflow of the system.6Xpert CT/NG301-0234, Rev. K August 2019
Xpert CT/NG1.Turn on the GeneXpert instrument: If using the GeneXpert Dx instrument, first turn on the instrument and then turn on the computer. The GeneXpert Dxsoftware will launch automatically or may require double-clicking the GeneXpert Dx software shortcut icon on theWindows desktop.orIf using the GeneXpert Infinity instrument, power up the instrument. The Xpertise software will launch automaticallyor may require double-clicking the Xpertise software shortcut icon on the Windows desktop.Copy Log on to the GeneXpert Instrument System software using your user name and password.3.In the GeneXpert System window, click Create Test (GeneXpert Dx) or click Orders and Order Test (Infinity). The CreateTest window opens.nly-NotAControlled2.Figure 3. Create Test WindowScan or type in the Patient ID (optional). If typing the Patient ID, make sure the Patient ID is typed correctly. The Patient IDis shown on the left side of the View Results window and is associated with the test results.5.Scan or type in the Sample ID. If typing the Sample ID, make sure the Sample ID is typed correctly. The Sample ID is shownon the left side of the View Results window and is associated with the test results.6.Scan the barcode on the Xpert CT/NG cartridge. Using the barcode information, the software automatically fills the boxesfor the following fields: Reagent Lot ID, Cartridge SN, and Expiration Date.mationO4.The Xpert CT/NG test can be run to detect CT only, NG only, or both CT and NG by selecting Xpert CT, Xpert NG or XpertCT-NG from the Select Assay menu as shown in Figure 3. From the Select Assay drop-down menu, ensure that theappropriate assay is selected to be run.rInf7.orNote If the barcode on the Xpert CT/NG cartridge does not scan, then repeat the test with a new cartridge.Only the test result for the assay selected at this step will be collected once the test is started. Both the CT and NG results will only becollected if the Xpert CT-NG option is chosen.FoNote8.Click Start Test (GeneXpert Dx) or Submit (Infinity). Type your password in the dialog box that appears.Xpert CT/NG301-0234, Rev. K August 20197
Xpert CT/NG9.For the GeneXpert Infinity System, place the cartridge on the conveyor belt. The cartridge will be automatically loaded, thetest will run and the used cartridge will be placed into the waste container.orFor the GeneXpert Dx Instrument:14B.Close the door. The test starts and the green light stops blinking. When the test is finished, the light turns off.C.Wait until the system releases the door lock before opening the module door and removing the cartridge.yOpen the instrument module door with the blinking green light and load the cartridge.Cop10.A.Dispose of used cartridges in the appropriate specimen waste containers according to your institution’s standard practices.Viewing and Printing Results16Upon completion of the test, click the Report button of the View Results window to view and/or generate a PDF report file.ControClick the View Results icon to view results.2.Quality ControlEach test includes a Sample Processing Control (SPC), a Sample Adequacy Control (SAC) and a Probe Check Control (PCC).Sample Processing Control (SPC)—Ensures the sample was correctly processed. The SPC contains genomic DNA ofBacillus globigii that is included in each cartridge. The SPC verifies that binding and elution of target DNA have occurred ifthe organisms are present and verifies that sample processing is adequate. Additionally this control detects sampleassociated inhibition of the real-time PCR assay. The SPC should be positive in an analyte negative sample and can benegative or positive in an analyte positive sample. The SPC passes if it meets the validated acceptance criteria. Sample Adequacy Control (SAC)—Ensures that the sample contains human cells or human DNA. This multiplex assayincludes primers and probes for the detection of a single copy human gene. The SAC signal is only to be considered in ananalyte negative sample. A negative SAC indicates that no human cells are present in the sample due to insufficient mixingof the sample or because of an inadequately taken sample. Probe Check Control (PCC)—Before the PCR reaction starts, the GeneXpert instrument measures the fluorescence signalfrom the probes to monitor bead rehydration, reaction-tube filling, probe integrity and dye stability. PCC passes if it meetsthe validated acceptance criteria. External Controls—External controls (one positive and one negative) may be used in accordance with local, state, and/orfederal accrediting organizations, as applicable.nly-NotA OCONTROL1.Interpretation of Resultsion15lledThis section lists the basic steps for viewing and printing results. For more detailed instructions on how to view and print theresults, see the GeneXpert Dx System Operator Manual or the GeneXpert Infinity System Operator Manual.matThe results are interpolated by the GeneXpert Instrument System from measured fluorescent signals and embedded calculationalgorithms and will be shown in the View Results window. The Xpert CT/NG test provides test results for CT and NG targets,according to the algorithms shown in Table 1.Table 1. Possible Final Test Results for CT/NG Selected AssayCT1NG2NG4SPCSAC /- /-CT DETECTED; NG NOT DETECTED - /- /-CT DETECTED; NG NOT DETECTED - /- /-CT NOT DETECTED; NG DETECTED- /- /-CT NOT DETECTED; NG NOT DETECTED-- /- /-CT NOT DETECTED; NG NOT DETECTED--- INVALID---- /-INVALID--- /--orResult TextForInfCT DETECTED; NG DETECTEDSee Figure 4 to Figure 14 for specific examples and Table 2 to interpret test result statements for the CT/NG test. The format of thetest results shown will vary depending on the user’s choice to run either a CT/NG, CT, or NG test.8Xpert CT/NG301-0234, Rev. K August 2019
otAControlledCopyXpert CT/NGForInformationOnly-NFigure 4. Xpert CT NG - CT Detected and NG DetectedFigure 5. Xpert CT NG - CT Not Detected and NG DetectedXpert CT/NG301-0234, Rev. K August 20199
otAControlledCopyXpert CT/NGForInformationOnly-NFigure 6. Xpert CT NG - CT Detected and NG Not DetectedFigure 7. Xpert CT NG - CT Not Detected and NG Not Detected10Xpert CT/NG301-0234, Rev. K August 2019
-NotAControlledCopyXpert CT/NGForInformationOnlyFigure 8. Xpert CT NG - Invalid ResultFigure 9. Xpert CT - CT DetectedXpert CT/NG301-0234, Rev. K August 201911
-NotAControlledCopyXpert CT/NGForInformationOnlyFigure 10. Xpert CT - CT Not DetectedFigure 11. Xpert CT - Invalid Result12Xpert CT/NG301-0234, Rev. K August 2019
otAControlledCopyXpert CT/NGForInformationOnly-NFigure 12. Xpert NG - NG DetectedFigure 13. Xpert NG - NG Not DetectedXpert CT/NG301-0234, Rev. K August 201913
otAControlledCopyXpert CT/NG-NFigure 14. Xpert NG - Invalid ResultInterpretation PCR amplification of the CT target and the two NG targets give Cts within the valid range andfluorescence endpoints above the minimum setting. SPC: Not applicable. The SPC is ignored because CT and NG target amplification can competewith this control. SAC: Not applicable. The SAC is ignored because CT and NG target amplification can competewith this control. PCC: PASS; all probe check results pass.CT target DNA sequence is not detected; NG target DNA sequences are detected.mCT NOTDETECTED;NG DETECTEDation(Figure 4)CT target and NG target DNA sequences are detected.OResultCT DETECTED;NG DETECTEDnlyTable 2. Xpert CT/NG Results and Interpretationsor CT is absent or below the assay detection level; PCR amplification of the two NG targets giveCts within the valid range and fluorescence endpoints above the minimum setting. SPC: Not applicable. The SPC is ignored because CT and NG target amplification can competewith this control. SAC: Not applicable. The SAC is ignored because CT and NG target amplification can competewith this control. PCC: PASS; all probe check results pass.ForInf(Figure 5)14Xpert CT/NG301-0234, Rev. K August 2019
Xpert CT/NGTable 2. Xpert CT/NG Results and Interpretations (Continued)ResultInterpretationCT DETECTED;NG NOTDETECTED PCR amplification of the CT target gives a Ct within the valid range and a fluorescence endpointabove the minimum setting; NG is absent or below the assay detection level. SPC: Not applicable. The SPC is ignored because CT and NG target amplification can competewith this control. SAC: Not applicable. The SAC is ignored because CT and NG target amplification can competewith this control. PCC: PASS; all probe check results pass.Neither CT nor NG target DNA sequences are detected.Copy(Figure 6)CT target DNA sequence is detected; NG target DNA sequences are not detected.CT NOTDETECTED;NG NOTDETECTEDlled CT and NG are absent or below the assay detection level. SPC: PASS; PCR amplification of the SPC target gives a Ct within the valid range and afluorescence endpoint above the minimum setting. SAC: PASS; PCR amplification of the SAC target gives a Ct within the valid range and afluorescence endpoint above the minimum setting. PCC: PASS; all probe check results pass.Presence or absence of CT and NG target DNA cannot be determined. Use the instructions in theRetest Procedure section to repeat the test.Contro(Figure 7)-NotAINVALID(Example of firstscenario shown in SPC: FAIL; SPC target result is negative and the SPC Ct is not within valid range and endpointFigure 8)below minimum setting. SAC: PASS; SAC has a Ct within the valid range and fluorescence endpoint above the minimumsetting. PCC: PASS; all probe check results pass.OrOnly SPC: PASS; SPC has a Ct within the valid range and fluorescence endpoint above the minimumsetting. SAC: FAIL; SAC target result is negative. The SAC Ct is not within valid range and fluorescenceendpoint is below the minimum setting. PCC: PASS; all probe check results pass.Oration SPC: FAIL; SPC target result is negative, the SPC Ct is not within valid range and fluorescenceendpoint is below the minimum setting. SAC: FAIL; SAC target result is negative. The SAC Ct is not within valid range and fluorescenceendpoint is below the minimum setting. PCC: PASS; all probe check results pass.Presence or absence of CT and NG target DNA cannot be determined. Use the instructions in theRetest Procedure section to repeat the test.mERRORrInfor SPC: NO RESULT SAC: NO RESULT PCC: FAIL*; all or one of the probe check results fail. The PCC probably failed because thereaction tube was filled improperly or a probe integrity problem was detected.FoNO RESULT* If the probe check passed, the error is caused by a system component
Xpert CT/NG 1 301-0234, Rev. K August 2019 Xpert CT/NG For in vitro diagnostic use only 1 Proprietary Name Xpert CT/NG 2 Common or Usual Name Xpert CT/NG 3 Intended Use The Xpert CT/NG test, performed on the GeneXpert Instrument Systems, is a qualitative in vitro real-time PCR test for the automated detection and differentiation of genomic DNA from Chlamydia trachomatis (CT) and/or .
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PXG 900 User's Guide - Firmware Version 4.3 - 1/9/2017 2 PXG Users Guide The Power Xpert Gateway 900 (PXG) is a powerful tool for monitoring electrical systems. It can also serve as a data aggregation point if used with Eaton's Power Xpert Insight or third party s
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Xpert pooled sensitivity and specificity (95% CrI) against culture were 82.7% (69.6% to 91.1%) and 98.7% (94.8% to 99.7%), respectively (13 studies, 1199 specimens; moderate-certainty evidence). For a population of 1000 people where 70 have genitourinary TB on cult
External Quality Assessment/Proficiency Testing Xpert MTB/RIF Slide 3 . Why is it important? CLSI, 2011: GP26-A4 * EQA is a specialized form of assessment * focused on assuring accuracy and reliability of examination methods * PT is o
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