MDx-Chex for BCID2 – Quality Control for Sepsis Tests

Last updated: 12th January, 2022

Products are for professional/laboratory use only.

Streck has developed MDx-Chex™ for BCID2, a full-process quality control for sepsis tests.

The product contains 33 microorganisms and 10 resistance genes associated with sepsis and can be used for verification and monitoring of lot-to-lot performance of sepsis tests. MDx-Chex for BCID2 is For Research Use only. Not for use in diagnostic procedures.

MDx-Chex for BCID2 contains all the intact microorganisms (inactivated) and resistance gene markers that the assay tests for. Comprised of a matrix of stabilized RBCs, WBCs and blood culture media components, it is packaged in a two-vial system  ̶  a Gram (-) vial and a Gram (+) plus yeasts vial.

MDx-Chex for BCID2 is the most patient-like formulation available for sepsis tests and will verify the entire analytical process: cell lysis, DNA extraction and purification, qPCR and analysis. No other commercial option is as complete, with coverage and verification of all 43 targets using only two BCID2 pouches.


  • Comprised of inactivated microorganisms in a matrix of blood cells and culture media components to simulate a patient sample.
  • Two sample-to-result tests needed for complete coverage of all 43 targets,  which are contained in two vials.
  • Allows for direct use on the sample-to-result test platform.


Challenges and verifies the entire analytical process of MDx-based sepsis assays:

  • Cell lysis
  • DNA extraction/purification
  • PCR inhibition
  • Detection analysis
  • Results reporting

Saves the use of expensive sample-to-result cartridges:

  • Use 2 cartridges vs. 6 cartridges.
  • Provides complete target coverage.

Easy to use:

  • Pipette like a patient sample from a blood culture bottle.
  • No pooling of individual microorganisms needed.

Discover the MDx-Chex for BCID2

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