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Clinical and Laboratory Standards Institute

Clinical and Laboratory Standards Institute CLSI is a not-for-profit membership organization that brings together the global lab community for a common cause: fostering excellence in lab medicine.

For over 40 years, our members, volunteers, and customers have made CLSI a respected, transformative leader in the development and implementation of clinical laboratory testing standards. Through our unified efforts, we will continue to set and uphold the standards that drive quality test results, enhance patient care delivery, and improve the public’s health around the world.

Operating as usual

Let CLSI help you navigate the pathway to laboratory accreditation with our easy-to-use crosswalks. Our crosswalks take ...
03/30/2022
CLSI Crosswalks: Regulatory Requirement Crosswalk Info

Let CLSI help you navigate the pathway to laboratory accreditation with our easy-to-use crosswalks. Our crosswalks take the guesswork out of understanding accreditation requirements. We tell you exactly which CLSI standards will give you the step-by-step guidance you need to fulfill requirements set forth by the International Organization for Standardization (ISO), College of American Pathologists (CAP), US Food & Drug Administration (FDA), and The Joint Commission.

Find all of our crosswalks here!

http://ow.ly/fVPH50IowH6

Browse CLSI crosswalks for information on how CLSI standards correspond with the https://clsi.org/about/ for specific accreditations including CAP.

Looking to volunteer with CLSI? Apply today to work on a document development committee! Find all open opoortunities, co...
03/29/2022

Looking to volunteer with CLSI? Apply today to work on a document development committee! Find all open opoortunities, committee information, and timelines here.

http://ow.ly/Yyzt50IowvT

Check out CLSI's self-paced, online learning program, Using M100. This interactive program will teach you how to navigat...
03/28/2022

Check out CLSI's self-paced, online learning program, Using M100. This interactive program will teach you how to navigate the many tables found in CLSI's document M100—Performance Standards for Antimicrobial Susceptibility Testing, 32nd Edition. Find an overview video about this course and get started today!

http://ow.ly/rpHk50Iownc

Check out CLSI's new Implementation Guides! These guides can help your lab staff properly implement the procedures in ou...
03/25/2022

Check out CLSI's new Implementation Guides! These guides can help your lab staff properly implement the procedures in our Evaluation Protocol standards and guidelines.

http://ow.ly/azvz50ImVzw

CLSI is accepting applications for two document development committees: EP17 & GP41. Find all committee information and ...
03/24/2022

CLSI is accepting applications for two document development committees: EP17 & GP41. Find all committee information and submit your application today to help CLSI set the global standard in laboratory medicine!

http://ow.ly/a01G50ImVqz

Don't miss the Annual AST Webinar | M100-Ed32 Updates, live tomorrow and Wednesday! Ensure you and your colleagues have ...
03/21/2022

Don't miss the Annual AST Webinar | M100-Ed32 Updates, live tomorrow and Wednesday! Ensure you and your colleagues have the most up to date information.

Register here.

http://ow.ly/zKg050ImUiB

Apply today to volunteer on a document development committee and be a part of CLSI! Open opportunities include GP41 and ...
03/18/2022

Apply today to volunteer on a document development committee and be a part of CLSI! Open opportunities include GP41 and EP17.

Find all volunteer information here.

http://ow.ly/MhAC50IbOmx

Don't miss the AST Annual Updates Webinar | M100-Ed32 Updates, live next week! Registration for you and your colleagues ...
03/17/2022

Don't miss the AST Annual Updates Webinar | M100-Ed32 Updates, live next week! Registration for you and your colleagues can be found on our website. Group and individual licenses available.

http://ow.ly/wnV650IbObj

Check out C64-Ed1 and learn about the design, development, and validation of quantitative assays for proteins and peptid...
03/16/2022

Check out C64-Ed1 and learn about the design, development, and validation of quantitative assays for proteins and peptides by mass spectrometry.

Watch our quick overview video on this document and find the C64 on-demand webinar here!

http://ow.ly/Jfh650IbO14

Don't forget to grab your copy of the latest edition of M100! Head to our website to order yours now.http://ow.ly/kRY650...
03/15/2022

Don't forget to grab your copy of the latest edition of M100! Head to our website to order yours now.

http://ow.ly/kRY650IbNQA

Stay in the know with CLSI's blog! Review our latest articles:Interview With CLSI Volunteer, Paula Ladwig, MS, MT(ASCP)P...
03/14/2022

Stay in the know with CLSI's blog!

Review our latest articles:
Interview With CLSI Volunteer, Paula Ladwig, MS, MT(ASCP)
Provide Accurate AST Results With the Newest Edition of M100
Resolving and Preventing Laboratory Deficiencies

http://ow.ly/AGqm50IbNHA

C64 describes the design, development, and validation of quantitative assays for proteins and peptides by mass spectrome...
03/11/2022

C64 describes the design, development, and validation of quantitative assays for proteins and peptides by mass spectrometry.

Head to our website to watch a quick overview video and learn about the C64 on-demand webinar.

http://ow.ly/pxgA50I9b32

MR14 | Piperacillin-Tazobactam Breakpoints for Enterobacterales, 1st Edition, has published! This free rationale documen...
03/10/2022

MR14 | Piperacillin-Tazobactam Breakpoints for Enterobacterales, 1st Edition, has published! This free rationale document provides the standardized data and methods used to determine piperacillin-tazobactam breakpoints for Enterobacterales.

Download this document today!

http://ow.ly/oIzp50IbMfZ

Check out M39-Ed5 | Analysis and Presentation of Cumulative Antimicrobial Susceptibility Test Data, and watch a quick ov...
03/10/2022

Check out M39-Ed5 | Analysis and Presentation of Cumulative Antimicrobial Susceptibility Test Data, and watch a quick overview video here!

http://ow.ly/pk4m50I65Rl

The Annual AST Updates Webinar is coming up! Ensure you and your staff have the latest information on the new edition of...
03/09/2022

The Annual AST Updates Webinar is coming up! Ensure you and your staff have the latest information on the new edition of M100 and register here.

http://ow.ly/t7nk50If5ub

The first edition of MM24 examines the biology behind molecular strain typing and genotyping, as well as characterizatio...
03/09/2022

The first edition of MM24 examines the biology behind molecular strain typing and genotyping, as well as characterization and validation of these systems. It also provides recommendations regarding criteria to be considered for design, validation, and determination of clinical utility of such testing.

Find more on this document and its on-demand webinar here.

http://ow.ly/P0h450I9aQt

H62-Ed1 includes validation strategies for cell-based assays performed by flow cytometry. This guideline also includes r...
03/08/2022

H62-Ed1 includes validation strategies for cell-based assays performed by flow cytometry. This guideline also includes recommendations for instrument qualification and standardization and assay optimization. It also covers recommended practices for the examination and postexamination phases.

Head to our website to find H62 and watch a quick overview video on this document.

http://ow.ly/E6Z950I9aax

Volunteer with CLSI and help set the global standard in laboratory medicine. Apply today to work on GP41 or EP17 documen...
03/07/2022

Volunteer with CLSI and help set the global standard in laboratory medicine. Apply today to work on GP41 or EP17 document development committees.

Find all open opportunities and apply at the link below!

http://ow.ly/r6gc50IbLTL

CLSI's Implementation Guides can help your lab staff properly implement the procedures in our Evaluation Protocol standa...
03/07/2022

CLSI's Implementation Guides can help your lab staff properly implement the procedures in our Evaluation Protocol standards and guidelines!

Find all Implementation Guides here.

http://ow.ly/rTty50I99UN

Did you hear the latest edition of M100 has published? The 32nd edition of M100 includes updated tables for the Clinical...
03/04/2022

Did you hear the latest edition of M100 has published? The 32nd edition of M100 includes updated tables for the Clinical and Laboratory Standards Institute antimicrobial susceptibility testing standards M02, M07, and M11.

http://ow.ly/kkWH50I5Wuv

A new Rationale Document has published! MR14 | Piperacillin-Tazobactam Breakpoints for Enterobacterales, 1st Edition, pr...
03/03/2022

A new Rationale Document has published!

MR14 | Piperacillin-Tazobactam Breakpoints for Enterobacterales, 1st Edition, provides the standardized data and methods used to determine piperacillin-tazobactam breakpoints for Enterobacterales.

Download this free document today!

http://ow.ly/Ll0m50I99l8

Read our blog post | Re-Exploring the Intermediate Interpretive Category.Clinical breakpoints provide an interpretation ...
03/02/2022

Read our blog post | Re-Exploring the Intermediate Interpretive Category.

Clinical breakpoints provide an interpretation of the probability of treatment success, based on the MIC value or the area of growth inhibition by disk diffusion. Isolates with results within the susceptible category are predicted to be associated with a high chance of treatment success when the patient is administered that antimicrobial, whereas those in the resistant category are associated with low chance of treatment success...

Read the full blog post here.

http://ow.ly/bsHS50I1awP

Don't forget to register you and your colleagues for the AST Annual Updates Webinar on M100-Ed32. Find all group and ind...
03/01/2022

Don't forget to register you and your colleagues for the AST Annual Updates Webinar on M100-Ed32. Find all group and individual licenses on our website here.

http://ow.ly/eX2k50I5WmA

Improve your lab's antimicrobial susceptibility testing (AST) by using this self-paced, online learning program. Using M...
02/28/2022

Improve your lab's antimicrobial susceptibility testing (AST) by using this self-paced, online learning program. Using M100, an interactive program, will teach you how to navigate the many tables found in CLSI's document M100—Performance Standards for Antimicrobial Susceptibility Testing, 31st Edition.

Watch our quick overview video and find all program information here.

http://ow.ly/i0tI50I19ZP

Recently published M39 covers methods for recording and analyzing antimicrobial susceptibility test data, consisting of ...
02/25/2022

Recently published M39 covers methods for recording and analyzing antimicrobial susceptibility test data, consisting of cumulative and ongoing summaries of susceptibility patterns of clinically significant microorganisms.

Watch our quick overview video and find all document information here!

http://ow.ly/LzTu50I198H

Leading microbiologists will help you identify the major changes found in the updated edition of CLSI document M100-Ed32...
02/24/2022

Leading microbiologists will help you identify the major changes found in the updated edition of CLSI document M100-Ed32. Learn to design a strategy for implementing the new edition into laboratory practices with our upcoming Annual AST Updates Webinar! Group and Individual licenses are available.

Register for this webinar to learn all about the latest updates in M100-Ed32.

http://ow.ly/aTAm50I19tn

CLSI's Implementation Guides were created to help your lab staff properly implement the procedures in our Evaluation Pro...
02/23/2022

CLSI's Implementation Guides were created to help your lab staff properly implement the procedures in our Evaluation Protocol standards. These products help you verify your tests’ precision, accuracy, and other important performance characteristics. Learn more about our Implementation Guides and browse our offerings below.

http://ow.ly/Maky50HVzqh

Check out our blog post - The Value of Intermediate^ or “I^”Read the full blog post featured in our April 2021 AST News ...
02/22/2022

Check out our blog post -
The Value of Intermediate^ or “I^”

Read the full blog post featured in our April 2021 AST News Update here!

http://ow.ly/2QAH50HYBEp

Last chance to register for the MM24 Webinar! Tomorrow's live webinar will help you understand laboratory methods for ch...
02/21/2022

Last chance to register for the MM24 Webinar! Tomorrow's live webinar will help you understand laboratory methods for characterization and validation of the various systems available for genotyping and strain typing of infectious organisms and more!

Register here today.

http://ow.ly/SIIp50HYCrO

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9 Epidemiologists from Eswatini’s #HumanHealth and #AnimalHealth sectors took part in the #QWArS Virtual Epidemiology Training on Basic Data Management and Analysis. This is to help capacitate them to understand the constraints and possibilities of exploiting #AMR data via software like the open source “R” and “RStudio”, producing actionable information. Congrats to the participants! #ASLMAcademy Africa CDC American Society for Microbiology Danmarks Tekniske Universitet - DTU Fondation Institut Pasteur de Dakar Clinical and Laboratory Standards Institute National Institute for Communicable Diseases ReAct - Action on Antibiotic Resistance
13 microbiologists from Eswatini’s #HumanHealth, #AnimalHealth, and #FoodSafety sectors took part in the #QWArS Face-to-Face Microbiology Training on #LQMS, #Biosafety and #Biosecurity. Congrats to the participants! #AMR #ASLMAcademy @The Caviart Group Africa CDC American Society for Microbiology Danmarks Tekniske Universitet - DTU Institut Pasteur Clinical and Laboratory Standards Institute @FlemingFund
Over three days, an additional 116 microbiologists and 77 epidemiologists from the #HumanHealth, #AnimalHealth, #Environmental and #FoodSafety sectors of 13 countries in Africa and Asia took the #QWArS Professional Qualification Exam! Congrats! #AMR #ASLMAcademy @The Caviart Group LLC Africa CDC American Society for Microbiology Danmarks Tekniske Universitet - DTU Institut Pasteur Clinical and Laboratory Standards Institute
QWArS is busy this week, from Ethiopia to Zimbabwe! Yesterday, the first 10 #epidemiology professionals from the Human Health, Animal Health and Food Safety sectors successfully took their #QWArS final exam in Harare. Congrats to all! #AMR #ASLMAcademy @Caviart Group Africa CDC American Society for Microbiology Institut Pasteur Fondation Mérieux Danmarks Tekniske Universitet - DTU Iressef Clinical and Laboratory Standards Institute
The first of its kind #QWArS AMR Experts Professional Qualification exam kicked off in Addis Ababa today! 9 participants from the Human and Animal Health sectors sat for the exam after completing their pre-requisite eLearning and in-person training for #AMR surveillance. #ASLMAcademy @Caviart Group Africa CDC American Society for Microbiology Institut Pasteur Fondation Mérieux Danmarks Tekniske Universitet - DTU Iressef Clinical and Laboratory Standards Institute
Exciting times! Preparation for #QWArS #AMR Experts Professional Certification exam! QWArS offers microbiology and epidemiology training relevant for AMR surveillance, in the human, animal and environmental sectors. #ASLMAcademy @Caviart Group Africa CDC American Society for Microbiology Institut Pasteur Fondation Mérieux Danmarks Tekniske Universitet - DTU Iressef Clinical and Laboratory Standards Institute
Want to get up to date on proficiency testing, #EQA and lab quality management systems in Africa? Check out this article in the latest issue of #LabCulture! https://aslm.org/stay-informed/lab-culture/ @Beatrice van der Puije @Rubeina Badat @World Health Organization African Region @Africa CDC @Institut Pasteur @CDC @Amref Health Africa @Danmarks Tekniske Universitet - DTU @National Institute for Communicable Diseases @Clinical and Laboratory Standards Institute
Observatory and Fast Facts https://www.mlo-online.com/disease/infectious-disease/article/21238659/observatory-and-fast-facts #DELFI Johns Hopkins Kimmel Cancer Center Johns Hopkins Medicine Johns Hopkins Bloomberg School of Public Health #DNA NYU Langone Health National Institutes of Health (NIH) #covid #covid19 #sarscov2 #coronavirus #isolatebank #isolate CDC Food and Drug Administration #MALDI-TOF MS #massspec #AST Clinical and Laboratory Standards Institute #LabNews
Observatory and Fast Facts https://www.mlo-online.com/disease/infectious-disease/article/21238659/observatory-and-fast-facts #DELFI Johns Hopkins Kimmel Cancer Center Johns Hopkins Medicine Johns Hopkins Bloomberg School of Public Health #DNA NYU Langone Health National Institutes of Health (NIH) #covid #covid19 #sarscov2 #coronavirus #isolatebank #isolate CDC Food and Drug Administration #MALDI-TOF MS #massspec #AST Clinical and Laboratory Standards Institute #LabNews
Liofilchem is proud to continue the support for developing clinical lab standards and guidelines, and be a member of Clinical and Laboratory Standards Institute 🦠👩🏻‍🔬🧫🔬 #microbiology #Bacteriology #ivd #invitrodiagnostics #healthcare
The U.S. Department of State is accepting applications for Foreign Service Medical Laboratory Scientists through 3/23. Apply: http://ow.ly/kU9g50DP7IA ASCP American Society of Hematology American Society for Clinical Laboratory Science Clinical and Laboratory Standards Institute ADVANCE for Laboratory Medlab Series - Medical Laboratory Industry Forum North Carolina Society for Clinical Laboratory Science American Medical Technologists - AMT