Cardiac Marker (Laboratory)
UKAS Schedule of Accreditation, Accredited to ISO/IEC 17043:2010, Provider 8560
Cardiac Markers used for the determination of AMI, Acute Coronary Syndrome and Heart Failure
PURPOSE OF PROGRAMME:
To assess a laboratory's performance against their peer group.
|Cardiac Troponin I||ng/L, µg/L|
|Cardiac Troponin T||ng/L, µg/L|
|CKMB (Mass & Activity)||µg/L or IU/L|
MATERIAL PROVIDED: Lyophilised serum or Lyophilised Plasma (BNP)
DISTRIBUTIONS PER YEAR: 12
SAMPLES PER DISTRIBUTION: 3 or 4 (additional sample, with low concentration of troponin, issued for high sensitivity troponin
FREQUENCY OF DISTRIBUTION: Monthly
PROGRAMME OF ANALYSIS:
Results are entered online via the UK NEQAS results website. Distributions are live for 18 days. Results can be entered at any time during this period. Late results are accepted via email/fax.
ABC scoring system which is an ISO Guide 17043 compliant framework.
|Cardiac Troponin I||±15%||<20%|
|Cardiac Troponin T||±15%||<20%|
Participant performance is calculated over a rolling time-window and thus comprises data (results) from many specimens. They are always being updated with fresh current data, while older data drops out of the 'time-window'. The time-window has been set at 6 distributions (equivalent to 6 months)
PERSISTENT POOR PERFORMANCE:
The definitions of “poor performer” and “persistent poor performer” and procedures when unacceptable performance has been detected have been approved by the NQAAP and our Specialist Advisory Group and are reviewed annually. Participants will be defined as poor performers under the following circumstances: a. Failure to return for one distribution unless valid reason for non-return has been communicated to the Scheme Organiser b. Having an average B Score out- with the stated limits c. Having an average C Score out-with the stated limits Participants will be defined as persistent poor performers under either of the following circumstances: • A poor performer as defined above, compounds the errors by failing to make more returns or continues with a B Score out-with the limits • C Score remains out-with the limits over further distributions.
The External Quality Assessment Scheme for Cardiac Markers was founded in 1997 by Mr Alan Reid at Victoria Infirmary, Glasgow. In 2002 the Service became known as the UK National External Quality Assessment Service for Cardiac Markers. UK NEQAS CM is part of the NHS Greater Glasgow and Clyde.
- Level 1 (Room B/046)
- Laboratory Medicine & Facilities Management Building
- Queen Elizabeth University Hospital
- 1345 Govan Road
- G51 4TF