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  • External Quality Assurance of TrueNAT

    Content

    External Quality Assurance (EQA) ensures quality of Truenat laboratory is maintained by comparing their results through retesting and panel testing by a higher level laboratory (Intermediate Reference Laboratory (IRL)/ National Reference Laboratory (NRL)).

     

    EQA for Truenat laboratory is done by:

    • Onsite supervision: Visits conducted at regular intervals by the IRL/ NRL/ Central TB Division (CTD)
    • Proficiency Testing or Panel Testing (PT): Inter-laboratory comparisons conducted by IRL/ NRL to assess the performance of the laboratory supervised by them; re-checking of the standard panel provided by the IRL/ NRL.
    • Random Blinded Re-checking (RBRC): Re-examination of randomly selected samples by the IRL/ NRL.

     

    Plan for Truenat EQA

    • Truenat EQA visits need to be conducted annually.
    • Panel is provided by the National Tuberculosis Institute (NTI), Bangalore, to the participating sites.
    • Participating site to conduct panel testing and report results to NTI as per timelines.
    • Feedback/ corrective action provided by NTI to participating sites.

     

    Resources

     

     

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  • Monitoring Quality Indicators of Truenat

    Content

    Monitoring of key quality indicators or performance indicators of Truenat is important to assess the functioning of the instrument, calibration/ service requirements of the instrument, competency of the technician performing the assays and inventory management. Overall quality indicators should assess:

     

    1. Total tests done
    2. Type of samples tested
    3. Test failure
    4. Availability of consumables
    5. Turnaround time
    6. Specimen rejected
    7. External Quality Assurance (EQA) results
    8. Instrument downtime

     

    Quality performance indicators should be reviewed weekly by personnel in charge of Truenat laboratory, and monthly by the Intermediate Reference Laboratory (IRL)/ National Reference Laboratory (NRL)/ Central TB Division (CTD).

     

    Under the National Tb Elimination Programme (NTEP) the following quality indicators are to be reported monthly:

    1. Total number of tests performed using Truenat (including EP-TB and private sector)
    2. Total presumptive TB tested
    3. Total number of presumptive DR TB tested
    4. Total number of Rif indeterminate, invalid, error results
    5. Total number of re-tests done and results
    6. Total number of samples sent for First Line-Line Probe Assay (FL-LPA) and Second Line-Line Probe Assay (SL-LPA)
    7. Total number of chips (MTB, MTB Rif) in stock

     

    Resources

     

     

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