CLSI EP15 A2 : 2ED 2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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USER VERIFICATION OF PERFORMANCE FOR PRECISION AND TRUENESS
12-01-2013
11-09-2014
Abstract
Committee Membership
Foreword
1 Scope
2 Introduction
3 Standard Precautions
4 Definitions
5 Performance Standards
6 Overview of the Protocol
6.1 Device Familiarization Period
6.2 Precision Evaluation Experiment
6.3 Trueness Evaluation Experiment
6.4 Measuring Interval and Reference Interval
7 Familiarization Period
7.1 Operator Training
7.2 Quality Control Procedures
7.3 Materials for Precision Experiments
8 Verification of Precision Performance
8.1 Experimental Design - Numbers of Days and
Replicates
8.2 Specific Procedures
8.3 Recording the Data
8.4 Calculation of Precision Estimates
8.5 Comparison of Estimated Repeatability to
Manufacturer's Claims
8.6 Comparison of Estimated Within-Laboratory Precision
to Manufacturer's Claims
9 Demonstration of Trueness
9.1 Comparison of Patient Sample Results to Those of
Another Procedure
9.2 Recovery of Expected Values From Reference Materials
With Assigned Values
References
Appendix A. Sample Data Recording Sheet - Precision
Experiment
Appendix B. Example of a Completed Sample Data Recording
Sheet - Precision Experiment
Appendix C. Additional Statistical Explanations and
Considerations - Precision Experiment
Appendix D. Sample Data Recording Sheet - Comparison of
Patient Samples Experiment
Appendix E. Example of a Completed Sample Data Recording
Sheet - Comparison of Patient Samples Experiment
Appendix F. Power Calculation for the Procedure for
Verification of Trueness by Comparison of Patient
Samples
Appendix G. Sample Data Recording Sheet - Demonstration of
Trueness With Reference Materials
Appendix H. Example of a Completed Sample Data Recording
Sheet - Demonstration of Trueness With Reference
Materials
Appendix I. Flow Sheet for Experiments for User Demonstration
of Performance for Trueness and Precision (Accuracy)
Summary of Consensus Comments and Committee Responses
Summary of Consensus/Delegate Comments and Committee Responses
The Quality System Approach
Related CLSI/NCCLS Publications
Specifies the demonstration of method precision and trueness for clinical laboratory quantitative methods utilizing a protocol designed to be completed within five working days or less.
| DevelopmentNote |
Supersedes NCCLS EP15 A. (07/2005) 2ED 2005 reissued in 2006 with editorial corrections. (05/2006)
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| DocumentType |
Miscellaneous Product
|
| PublisherName |
Clinical Laboratory Standards Institute
|
| Status |
Superseded
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| SupersededBy | |
| Supersedes |
| CLSI C24 A2 : 2ED 99 | STATISTICAL QUALITY CONTROL FOR QUANTITATIVE MEASUREMENTS: PRINCIPLES AND DEFINITIONS |
| CLSI EP7 A : 1ED 2002 | INTERFERENCE TESTING IN CLINICAL CHEMISTRY |
| CLSI EP5 A2 : 2ED 2004 | EVALUATION OF PRECISION PERFORMANCE OF QUANTITATIVE MEASUREMENT METHODS |
| CLSI EP10 A2 : 2ED 2002 | PRELIMINARY EVALUATION OF QUANTITATIVE CLINICAL LABORATORY METHODS |
| CLSI GP10 A : 1ED 95(R2001) | ASSESSMENT OF THE CLINICAL ACCURACY OF LABORATORY TESTS USING RECEIVER OPERATING CHARACTERISTIC (ROC) PLOTS |
| CLSI EP6 A : 1ED 2003 | EVALUATION OF THE LINEARITY OF QUANTITATIVE MEASUREMENT PROCEDURES - A STATISTICAL APPROACH |
| CLSI C28 A2 : 2ED 2000 | HOW TO DEFINE AND DETERMINE REFERENCE INTERVALS IN THE CLINICAL LABORATORY |
| CLSI EP9 A2 : 2ED 2002 | METHOD COMPARISON AND BIAS ESTIMATION USING PATIENT SAMPLES |