ACCREDITATION STATUS:

UKAS accredited proficiency testing provider No. 7795

CLINICAL APPLICATION:

Diagnosis and management of antibody deficiency syndromes

PURPOSE OF PROGRAMME:

Allergy and Immunodeficiency 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) for Tetanus and Pneumococcal antibodies and Method Laboratory Trimmed Mean (MLTM) for H. influenzae antibody with truncation at 2SD, SD and CV%. Reports show method specific statistics. Individual laboratory performance is expressed in terms of MRBIS, SDBIS and MRVIS Chosen Coefficient of Variation is specific for each analyte: Tetanus antibody 20% H. influenzae type B antibody 20% Pneumococcal antibody 15%

PERFORMANCE SCORING:

MRVIS

PERFORMANCE MONITORING:

Laboratory performance is assessed in relation to each antibody 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