External Quality Assurance of TrueNAT

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

• Practical Guide to Implementation of Truenat™ Tests for the Detection of TB and Rifampicin Resistance.
• MolBio Diagnostics Pvt. Ltd.

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