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General and Specialized Biochemistry Image Biochimie
2023 EQA SCHEMES
EQA 2023 - Urinary Biochemistry (CMU)
Expert Biologists - Scheme Coordinators:
Estelle BUGNI, Bernard POGGI and Sabine ZAEPFEL
EQA performed since 1986
Number of participating laboratories in 2022: 684

1 - Scheme Overview

Assessment of accuracy – quantitative methods

Participating labs can choose to be assessed for all the analytes of this scheme, or simply a subset of analytes of interest.

2 - Assessment Frequency

Number of surveys per year: 11
Number of control samples per survey: 1 or 2
Number of samples per year: 15

The scheme includes 16 analytes. Each analyte is controled between 6 and 15 times a year.

3 - List of Analytes Assessed 

  • Uric acid
  • β2 microglobulin*
  • Calcium
  • Chlorides
  • Creatinine
  • Specific Gravity*
  • Glucose
  • Magnesium
  • Microalbumin
  • Osmolality
  • Phosphates
  • pH*
  • Potassium
  • Total Proteins
  • Sodium
  • Urea
*analytes not covered by accreditation

4 - Description of the Control Samples

Lyophilized human control urines (samples to be resuspended in 5 mL of distilled water).

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