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Therapeutic Drug Monitoring and Immunosuppressants

EPTIS factsheet 187843 | Last revision 2023-04-25 | URL: https://www.eptis.bam.de/pts187843 https://www.eptis.bam.de/pts187843

PT provider
PT provider WEQAS Quality Laboratory WEQAS Quality Laboratory
Based in United Kingdom
Language(s) English
Remarks The Therapeutic Drug Monitoring scheme (TDM) was launched in 2013 and is UKAS accredited covering 14 different therapeutic drugs and whole blood samples are provided for the Weqas Immunosuppressants scheme (not accredited). Each therapeutic drug is gravimetrically added, the “weighed-in” value and its known linear dilution is used to calculate the target concentration. A linear series of pools are prepared using calibrated and certified equipment allowing full gravimetric traceability.
Product groups Health care / medical devices
Human test material
Testing fields Medical analysis
Technical details
Test item Tested property Testing method
Therapeutic Drug Monitoring Amikacin -
Carbamazapine -
Digoxin -
Gentamicin -
*Lamotrigine -
Lithium -
Methotrexate -
Phenobarbital -
Phenytoin -
*Teicoplanin -
Theophylline -
Tobramycin -
Valproic acid -
Vancomycin -
Whole Blood Immunosuppressants *Ciclosporin -
*Sirolimus -
*Tacrolimus -
Aims of the PT scheme
Target group of participants Laboratory Diagnostic Services
Linked to specific legislation / standards TDM's accredited by UKAS on the basis of ISO/IEC 17043
Additional, subsidiary aims validation of testing methods
Number of participants
Accredited or otherwise reviewed by a 3rd party

Accredited by UKAS on the basis of ISO/IEC 17043 for part of the parameters

Operation is commissioned / requested by
Fees and frequency
Participation fee Available on request, fee dependent on number of participating sections.
Regularly operated Yes (Monthly, set of 3 samples)
Year of first operation June 2013
Contact details of the PT provider
Provider Contact person
WEQAS Quality Laboratory
Unit 6, Parc Ty Glas
CF14 5DU Cardiff
United Kingdom

Phone: 44 (0) 2920 747810
Fax: 44 (0) 2920 314760
Web: http://www.weqas.com http://www.weqas.com
Laura Lloyd-Lewis
Phone: 44 (0) 29218 41287
Email: laura.lloyd-lewis@wales.nhs.uk laura.lloyd-lewis@wales.nhs.uk
If you find any mistakes please contact the responsible EPTIS coordinator in United Kingdom, Mr Savvas Xystouris. Mr Savvas Xystouris.
Any questions or problems? Please contact us at eptis@bam.de.
Application version: 1.23-SNAPSHOT.20230502124635-7925ae379a631fc1ececff45d2921c8db38877d5