EMIT 2000 Tacrolimus Assay

Monitoring tacrolimus levels is essential to ensuring efficacy of treatment while minimizing toxic side effects and preventing organ rejection. The EMIT® 2000 tacrolimus method is a convenient, easy to use solution for routine tacrolimus monitoring.


  • Simple sample pretreatment
  • Results in as little as 10 minutes
  • No reagent preparation required
  • No significant hematocrit interference 1,2
  • Correlates to LC/MS/MS



  • Streamlined ISD monitoring and enhanced productivity
  • Benefit from up to 4 different ISD methods on one single V-Twin® or Viva-E® Drug Testing System*

Assay Specifications

  EMIT 2000 TACR Assay
Product Code 8R019UL
Sample Type EDTA Whole Blood
Pretreatment Manual
Reportable Range 2-30 ng/mL
Functional Sensitivity 2.8 ng/mL
Calibration With new reagent lot
Reagent Stability Opened at 2-8° C: 12 weeks

Learn more about the V-Twin® and Viva-E® Drug Testing Systems

Enduring Expertise for Your Immunosuppressant Drug Testing Needs

With recognized drug testing expertise, Siemens Healthcare Diagnostics offers a comprehensive and expanding menu of tests across multiple instrument solutions to meet the immunosuppressant drug (ISD) testing needs of customers in any setting.




1. Hermida J et al: Clinical Significance of Hematrocrit Interference in the Tacroliums II Microparticle Enzyme Immunoassay: A Tentative Approach. Clin Lab 2005; 51: 43-45.
2. LeGatt, CES: Comparison of Two Tacrolimus Immuno assays (EMIT: Viva and MEIA: IMx®) in Four Transplant Groups. AACC 2002; Topic 19, Presentation B-7.

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