Electrochemiluminescence immunoassay (ECLIA) for the determination of Procalcitonin (PCT) in human serum or plasma on the automated Roche Elecsys, Modular and Cobas e (e601, e602 and e411) immunoassay analyzers
Assay characteristics
  • Test principle: ECLIA, sandwich principle
  • Sample matrix: Serum, plasma (heparin, EDTA)
  • Sample volume: 30 μL
  • Test duration: 18 min
  • Measuring range: 0.02-100 μg/L
  • Functional sensitivity: 0.06 μg/L
  • Analytical sensitivity: <0.02 μg/L


Correlation between ELECSYS® B·R·A·H·M·S PCT and Thermo Scientific™ B·R·A·H·M·S PCT™ sensitive KRYPTOR™
 Elecsys vs Kryptor PCT correlation


Reproducibility was determined using Elecsys reagents, pooled human serum/plasma, and controls in accordance with the protocol EP5-A2 of the CLSI (Clinical and Laboratory Standards Institute): 2 runs per day in duplicates each for 21 days (n=84). The following results were obtained:

Precision Roche PCT

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