ACCREDITATION STATUS:

UKAS accredited proficiency testing provider No. 7795

CLINICAL APPLICATION:

Diagnosis and monitoring of B-cell malignancies

PURPOSE OF PROGRAMME:

Immunochemistry EQA scheme

ANALYTES:

PROGRAMME OF ANALYSIS:

Data entry is via the web for the submission of results. Data analysis is commenced 21 days after sample dispatch. Late returns are accepted and will contribute to the laboratory's cumulative performance statistics

DATA ANALYSIS:

All Laboratory Trimmed Mean (ALTM) with truncation at 2SD, SD, and CV%. Reports also show method specific statistics. Individual laboratory performance is expressed in terms of MRBIS, SDBIS, and MRVIS. The Designated Value (DV) for the calculation of VI is the Group Laboratory Trimmed Mean (GLTM) Chosen Coefficient of Variation for B 2 Microglobulin is 7%

PERFORMANCE SCORING:

MRVIS

PERFORMANCE MONITORING:

Laboratory performance is classified in terms of the MRVIS over a running analytical window of 6 Distributions (12 months)

PERSISTENT POOR PERFORMANCE:

Defined as being in the Poor Performance category for two or more successive Distributions