1 - Scheme Overview

This external quality assessment scheme assesses the different analytical methods used for the phenotypic evaluation of hemoglobin. In most cases, the results are provided with supporting biological interpretation.

2 - Assessment Frequency

Number of surveys per year: 4
Number of control samples per survey: 1 or 2
Number of samples per year: 6

3 - List of Analytes Assessed 

• Hemoglobin A
• Hemoglobin A2
• Hemoglobin F
• Hemoglobin S
• Other hemoglobin variants

4 - Description of the Control Samples

Human control blood in lyophilized form (samples to be resuspended in 500 µL of distilled water) and liquid form (ready-to-use 500 µL samples).