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ESEAP: Greek EQA Scheme. Part 1 - Clinical chemistry (substrates, electrolytes, enzymes)

EPTIS factsheet 138865 | Last revision 2023-05-04 | URL: https://www.eptis.bam.de/pts138865 https://www.eptis.bam.de/pts138865

PT provider
Based in Greece
Language(s) Greek
Remarks A cycle of the program involves twelve distributions and covers a two year period. Following the analysis of two lyophilized controls of different concentrations, participants submit data via a web application and receive reports and information on their performance through the Internet. The analytes are statistically processed on the overall results, regardless of the methodology. After the elimination of outliers (elimination in two passes of all results > +2.5SD or < -2.5SD of the mean value), the “consensus” mean, namely the mean from all individual results, is used as target value. Statistical evaluation is also related to the method or the analyzer used and includes three different charts: distribution histograms, Levey-Jennings charts and Youden plots. The software of ESEAP permits the grouping of methods and instruments (analyzers), the enhancement of the statistical evaluation of the results, as well as the evaluation of reproducibility of the measurements using 4 samples during each year. Furthermore, at the end of each two-year cycle, participants are assessed through an original scoring and ranking system, allowing them to follow their individual performance across time and their position among all other laboratories participating in the cycle. There is also a monthly program with twelve distributions of two samples per year.
Product groups Human test material
Testing fields Medical analysis
Technical details
Test item Tested property Testing method
Sera of human origin, lyophilized Calcium -
Magnesium -
Potassium -
Sodium -
Chloride (Cl-) -
Glucose -
Cholesterol -
Iron -
Phosphorus -
Triglycerides -
Urea -
Albumin -
Aspartate aminotransferase -
Creatinine -
Gamma glutamyl transferase -
Uric acid -
Amylase -
Lactate dehydrogenase -
Protein, total -
Bilirubin, total -
Bilirubin, direct -
Cholesterol, HDL -
Phosphatase, alkaline -
Creatinine kinase -
Alanine aminotransferase -
Aims of the PT scheme
Target group of participants Clinical Laboratories
Linked to specific legislation / standards
Additional, subsidiary aims validation of testing methods
Number of participants 300
Accredited or otherwise reviewed by a 3rd party

Accredited by ESYD the Greek Accreditation Body on the basis of ISO 17043:2010 (Certificate No 820, 18/6/2012)

Recognised by TÜV Hellas on the basis of ISO 9001

Operation is commissioned / requested by
Fees and frequency
Participation fee 335 Euro + VAT (bimonthly), 495 Euro + VAT (monthly)
Regularly operated Yes (monthly or bimonthly)
Year of first operation 1994
Contact details of the PT provider
Provider Contact person
47, Alopekis str.
10676 Athens

Phone: +30 2107292403
Fax: +30 2103645392
Web: http://www.eseap.gr http://www.eseap.gr
Dr. Alexander Haliassos
Phone: +30 2107292403
Fax: +30 2103645392
Email: info@eseap.gr info@eseap.gr
If you find any mistakes please contact the responsible EPTIS coordinator in Greece, Ms Vicky Nikou. Ms Vicky Nikou.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5