BAM Logo

Blood Gases Programme

EPTIS factsheet 142494 | Last revision 2023-04-25 | URL: https://www.eptis.bam.de/pts142494 https://www.eptis.bam.de/pts142494

PT provider
PT provider WEQAS Quality Laboratory WEQAS Quality Laboratory
Based in United Kingdom
Remarks Tonometered protein buffered aqueous solution, distributed annually includes SBC, BE and %sO2. Weqas material minimises the risk of pre-analytical error sampling due to it's protein foam layer. Tonometered whole blood material is distributed once a year for accuracy assessment of pO2 and additional secondary parameters, SBC, Base excess and Oxygen Saturation. This material has identical oxygen saturation characteristics to fresh whole blood. This programme is suitable for both POCT and Laboratory analysers.
Product groups Health care / medical devices
Human test material
Testing fields Medical analysis
Technical details
Test item Tested property Testing method
Tonometered protein matrix pH -
H+ -
pCO2 -
pO2 -
Actual Bicarbonate -
Sodium -
Potassium -
Calcium -
Chloride -
Magnesium -
Glucose -
Urea -
Creatinine -
Lactate -
Lithium -
Haematocrit -
Aims of the PT scheme
Target group of participants Laboratory Diagnostic Services and Point of Care Testing Services
Linked to specific legislation / standards Accreditation 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

Operation is commissioned / requested by
Fees and frequency
Participation fee Fee dependent on number of participating sections and proximetry of testing methods.
Regularly operated Yes (Monthly, set of 3 (2.5mL) samples)
Year of first operation 1968
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