Laboratory accreditation Impact on Patient Care & Health System

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Laboratory accreditation Impact on Patient Care & Health System (Patient Safety in Clinical Lab) Dr. Abida Raza PhD UAF/NIBGE, PK Post doc University of London, UK Head Department of Diagnostic Labs Nuclear Medicine, Oncology and Radiotherapy Institute (NORI)

Why we need accreditation

What is Quality? The right result? Lack of errors? Improved health outcome? Increased efficiencies Patient Safety in Clinical Lab

The challenge is getting everyone to agree what right is.... Quality = Right The challenge is getting everyone to agree what right is.... Quality Assurance (QA) is a way of preventing mistakes or defects in manufactured products and avoiding problems when delivering solutions or services to customers Patient Safety in Clinical Lab

I am easily satisfied with the very best. Patient Safety in Clinical Lab

Accreditation vs. Certification Certification is used for verifying that personnel have adequate credentials to practice certain disciplines, as well as for verifying that products meet certain requirements. Accreditation is used to verify that laboratories have an appropriate quality management system and can properly perform certain test methods and calibration parameters according to their scopes of accreditation Patient Safety in Clinical Lab

Accreditation A functional national laboratory accreditation initiative within a country requires at least 3 elements: a laboratory policy framework that makes accreditation a requirement for laboratories, designated quality standards against which laboratories can be assessed, and accrediting bodies (local or international) authorized to assess laboratories and certify their performance against the designated quality standards. Patient Safety in Clinical Lab

ISO 15189:2012 , PNAC ISO 15189 is a globally recognised standard that has been specifically created for medical laboratories to help them develop their quality management systems and assess their competence. Patient Safety in Clinical Lab

difficulty in every opportunity; Quote A pessimist sees the difficulty in every opportunity; while an optimist sees the opportunity in every difficulty. Patient Safety in Clinical Lab

Risks in a Lab High Low Specimen mixup Lost specimens Misdirected reports Incorrect interpretation Specimen artifact Incorrect response to request Analytical problems Low (however the most serious common error is failure to act on a significant result) Patient Safety in Clinical Lab

Feel the Value of Reported Results Patient Safety in Clinical Lab

Value of Laboratory Testing in Patient Care Laboratory results are required for making a large proportion of medical decisions. In developed countries, an estimated 60 to 80% of patient management decisions are based on laboratory data Laboratory investigations are often more sensitive and specific than clinical decision criteria alone. Diagnostics and clinical patient management have an interdependent relationship; laboratory data provide justification for clinical decision making Patient Safety in Clinical Lab

Value of Laboratory Testing in Patient Care Without a reliable diagnosis, patients will not receive most related services for treatment or prevention. Without an accurate diagnosis, many patients cannot have their disease correctly staged, which could prevent them from accessing lifesaving drugs before the onset of serious illness. Patient Safety in Clinical Lab

Value of Laboratory Testing in Patient Care Once a patient is receiving therapy, clinical chemistry, hematology, and, in some settings, viral load tests provide clinicians with necessary information on the safety and efficacy of the drugs. If these tests are not available or are inaccurate, treatment outcomes for patients are likely to be poorer, with higher mortality and more frequent illness. Reliable laboratory testing is needed, or the scale-up of treatment programs may be retarded and their long-term effectiveness and sustainability reduced. Patient Safety in Clinical Lab

Laboratory Errors and Patient Care Diagnostic testing today typically involves multistep processes subject to multiple sources of error. Many tests in small to medium-sized laboratories are manual or automated and subject to inaccuracy associated with lack of operator competence or failure to adhere to standard test procedures. There are also other sources of error, such as incorrect reagent storage or expiration and instrument inaccuracy. Even the simplest tests have multiple stages at which errors could be introduced. Commonly used tests (eg, rapid test strips, TB sputum smear microscopy, semiautomated chemistry analysis, and HIV nucleic acid testing) each have up to 45 steps that are susceptible to error Patient Safety in Clinical Lab

Laboratory Errors and Patient Care Errors can occur anywhere in the testing process, particularly when the manufacturer's instructions are not followed and when testing personnel are not familiar with all aspects of the test system and how testing is integrated into the facility's workflow.  Patient Safety in Clinical Lab

Laboratory Errors and Patient Care Manual assays are particularly prone to inaccurate pipetting, cross-contamination, or the mixup of samples. Automated assays are subject to instrument errors due to miscalibration or other instrument malfunction. Improper storage or the expiration of test reagents can also lead to inaccurate results. Errors can also be introduced during sample collection, labeling and transportation, registration at the laboratory, or the transcription and delivery of results. Combined, these errors can lead to significant variance in the accuracy of the reported result, potentially leading, in some cases, to incorrect diagnosis, inappropriate treatment, or withholding of lifesaving therapy. Patient Safety in Clinical Lab

Laboratory Errors and Patient Care Studies in US and Eu have demonstrated that errors occur throughout the testing process, preanalytical (sample collection, labeling, and transport); analytical stage (testing in the laboratory); and postanalytical stage (data management & reporting). Majority errors occur in preanalytical (46%–68%) & postanalytical stages (18%–47%). This does not include clinic-based errors that occur in deciding which tests to order and in the interpretation of test results, both areas of high error risk. The frequency of errors during the analytical stage is lower but remains significant, estimated to be 7% to12%, despite years of quality management regulation.

Laboratory Errors and Patient Care In US, it is estimated that 6% to 12% of laboratory errors put patients at risk of inappropriate care and potentially of adverse events, whereas 26% to 30% of errors have a negative impact on other aspects of patient care. Plebani M . Exploring the iceberg of errors in laboratory medicine. Clin Chim Acta.  2009;404:16–23. Plebani M . Errors in clinical laboratories or errors in laboratory medicine.Clin Chem Lab Med. 2006;44:750–759. Kalra J. Medical errors: impact on clinical laboratories and other critical areas. Clin Biochem. 2004;37:1052–1062.

Laboratory Accreditation The variability of test results and the frequency of errors can be reduced by implementing and monitoring a comprehensive laboratory quality management system. In developed country settings, this has included participation in regular proficiency testing (PT) and enrollment in accreditation programs. Accreditation provides verification that laboratories are adhering to established quality and competence standards deemed necessary for accurate and reliable patient testing and the safety of staff and the environment Patient Safety in Clinical Lab

Laboratory Accreditation Accreditation is most effective when it is rooted in a policy framework for evaluating laboratory quality and patient safety. Laboratories that achieve accreditation are recognized for superior test reliability, operational performance, quality management, and competence. Patient Safety in Clinical Lab

Laboratory Accreditation Accredited laboratories can become more accountable and less dependent on external support. Efforts made to achieve accreditation may also lead to improvements in the management of laboratory networks by focusing attention on areas of greatest need and accelerating improvement in areas such as supply chain, training, and instrument maintenance. Patient Safety in Clinical Lab

Impact of Accreditation Adherence to such quality standards and participation in accreditation programs that certify this adherence can improve operational efficiency and customer service and reduce rates of laboratory errors.  Participation in PT programs, a key component of accreditation, leads to more accurate test results.  PT failures among laboratories were noted to decrease with successive PT challenges Patient Safety in Clinical Lab

Initiative for accreditation? initiatives to strengthen your facility Strengthen your laboratory policy updates long-term strategic planning, improved procurement and supply chain systems laboratory networking human resources management and training instrument service maintenance data and quality management.  Patient Safety in Clinical Lab

Conclusion Accreditation may, thus, provide an effective mechanism for health system improvement yielding long-term benefits in the quality, cost-effectiveness, and sustainability of public health programs.  Patient Safety in Clinical Lab