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How To Evaluate Ungraded Results?(CAP Surveys)Prepared By: BILAl Al-kadriJuNE, 2010<br />
Proficiency Testing:<br /> A form of External Quality Control<br />Good Laboratory practices<br />Develops confidence in t...
Documentation:<br />Always maintain documentation of CAP surveys for minimum 2 YEARS.<br />This includes Participant Summa...
Documentation:<br />You can download Participant Summary for each surveys as necessary.<br />www.cap.org<br />Refer to fol...
Action to take:<br />The College uses exception reason codes for the PT analyte that has not been graded,… (refer to next ...
Exception Reason Codes:<br />
Evaluation Criteria:<br />Analyte: Activated Partial Thromboplastin Time<br />Target Value: Peer Group<br />Eval Criteria:...
Calculate the Mean of the Means:</li></ul>52.9+51.6+49.2+…………..+53.7+46.7+46.9         = 55.8<br />                       ...
Evaluation Criteria:<br />Analyte: D- dimer, Quant<br />Target Value: Peer Group<br />Eval Criteria: +/_ 3SD<br /><ul><li>...
Calculate the Mean of the Means:</li></ul>4797.6 + 2309.27 + 1591.01 + 2019.5+ 2028.86<br />                              ...
Evaluation Criteria:<br />Analyte: Fibrinogen<br />Target Value: Peer Group<br />Eval Criteria: +/_ 20%<br /><ul><li>Manua...
Calculate the Mean of the Means:</li></ul>269.605+261.488+…………..+271.382+267.904  = 296.177<br />                         ...
Evaluation Criteria:<br />Analyte: INR<br />Target Value: Peer Group<br />Eval Criteria: +/_ 20%<br /><ul><li>Manually or ...
Calculate the Mean of the Means:</li></ul>2.49+3.37+3.17+…………..+2.64+2.71+2.86= 2.77<br />                                ...
Evaluation Criteria:<br />Analyte: ProthrombinTime<br />Target Value: Peer Group<br />Eval Criteria: +/_ 15%<br /><ul><li>...
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Ungraded Results in CAP Surveys

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Transcript of "Ungraded Results in CAP Surveys"

  1. 1. How To Evaluate Ungraded Results?(CAP Surveys)Prepared By: BILAl Al-kadriJuNE, 2010<br />
  2. 2. Proficiency Testing:<br /> A form of External Quality Control<br />Good Laboratory practices<br />Develops confidence in the accuracy & reliability of your results<br />CAP Surveys three times/year (some two/year) <br />Evaluate each analyte and specimen for negative/positive bias, trends or shifts<br />
  3. 3. Documentation:<br />Always maintain documentation of CAP surveys for minimum 2 YEARS.<br />This includes Participant Summary, investigations. Reporting forms, evaluation reports, etc… <br />
  4. 4. Documentation:<br />You can download Participant Summary for each surveys as necessary.<br />www.cap.org<br />Refer to following slides for downloading<br />
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  13. 13. Action to take:<br />The College uses exception reason codes for the PT analyte that has not been graded,… (refer to next slides for various codes) <br /><ul><li>When exception reason is due to lack of participants Code 27, then the lab (you) should compare its (your) results against statistics supplied in the participant summary.</li></li></ul><li>Exception Reason Codes:<br />
  14. 14. Exception Reason Codes:<br />
  15. 15. Evaluation Criteria:<br />Analyte: Activated Partial Thromboplastin Time<br />Target Value: Peer Group<br />Eval Criteria: +/_ 15%<br /><ul><li>Manually or using excel sheet,
  16. 16. Calculate the Mean of the Means:</li></ul>52.9+51.6+49.2+…………..+53.7+46.7+46.9 = 55.8<br /> 23<br />Mean -15% is: 55.8 – (55.8 x 15/100)= 47.4<br />Mean +15% is: 55.8 – (55.8 x 15/100)= 47.4<br />
  17. 17. Evaluation Criteria:<br />Analyte: D- dimer, Quant<br />Target Value: Peer Group<br />Eval Criteria: +/_ 3SD<br /><ul><li>Manually or using excel sheet,
  18. 18. Calculate the Mean of the Means:</li></ul>4797.6 + 2309.27 + 1591.01 + 2019.5+ 2028.86<br /> 5<br />Mean -3SD is: 2549.25 + (3x268.37) = 1744.14<br />Mean +3SD is: 2549.25 + (3x268.37)= 3354.35<br />
  19. 19. Evaluation Criteria:<br />Analyte: Fibrinogen<br />Target Value: Peer Group<br />Eval Criteria: +/_ 20%<br /><ul><li>Manually or using excel sheet,
  20. 20. Calculate the Mean of the Means:</li></ul>269.605+261.488+…………..+271.382+267.904 = 296.177<br /> 23<br />Mean - 20% is: 296.177– (296.177 x 20/100)= 236.942<br />Mean + 20% is: 296.177+ (296.177 x 20/100)= 355.412<br />
  21. 21. Evaluation Criteria:<br />Analyte: INR<br />Target Value: Peer Group<br />Eval Criteria: +/_ 20%<br /><ul><li>Manually or using excel sheet,
  22. 22. Calculate the Mean of the Means:</li></ul>2.49+3.37+3.17+…………..+2.64+2.71+2.86= 2.77<br /> 23<br />Mean - 20% is: 2.77– (2.77 x 20/100)= 2.22<br />Mean + 20% is: 2.77+ (2.77 x 20/100)= 3.32<br />
  23. 23. Evaluation Criteria:<br />Analyte: ProthrombinTime<br />Target Value: Peer Group<br />Eval Criteria: +/_ 15%<br /><ul><li>Manually or using excel sheet,
  24. 24. Calculate the Mean of the Means:</li></ul>18.82+34.73+33.41+…………..+29.4+28.27+29.58=28.46<br /> 26<br />Mean -15% is: 28.46– (28.46 x 15/100)= 24.19<br />Mean +15% is: 28.46 – (28.46 x 15/100)= 32.73<br />
  25. 25. Conclusion:<br />Code 27 – Lack of participant or referee consensus;<br />Document a self-evaluation following instructions as per the Participant Summary.<br />Every effort should be made to find the cause(s) of an unacceptable pt result.<br />
  26. 26. QUESTIONS<br />
  27. 27. Contacts:<br />Bilal Al-kadri<br />Iso15189.consultant@gmail.com<br />http://kw.linkedin.com/in/balkadri<br />

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