Individualized Quality Control Plan (IQCP): Is It Value-Added for Clinical Microbiology?
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Updated: Apr 1, 2026

Author Spotlight: Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
Published on: March 17, 2023
Susan E Sharp1, Melissa B Miller2, Janet Hindler3
1Kaiser Permanente, Department of Pathology, Portland, Oregon, USA susan.e.sharp@kp.org.
Abstract:
The Center for Medicaid and Medicare Services (CMS) recently published their Individualized Quality Control Plan (IQCP [https://www.cms.gov/regulations-and-guidance/legislation/CLIA/Individualized_Quality_Control_Plan_IQCP.html]), which will be the only option for quality control (QC) starting in January 2016 if laboratories choose not to perform Clinical Laboratory Improvement Act (CLIA) [U.S. Statutes at Large 81(1967):533] default QC. Laboratories will no longer be able to use "equivalent QC" (EQC) or the Clinical and Laboratory Standards Institute (CLSI) standards alone for quality control of their microbiology systems. The implementation of IQCP in clinical microbiology laboratories will most certainly be an added burden, the benefits of which are currently unknown.
Insights
The new Individualized Quality Control Plan (IQCP) from CMS replaces older methods for laboratory quality control (QC) in 2016. Its benefits for clinical microbiology labs are currently unknown, posing a potential burden.
Area of Science:
- Clinical laboratory science
- Medical diagnostics
- Regulatory compliance
Background:
- The Center for Medicaid and Medicare Services (CMS) introduced the Individualized Quality Control Plan (IQCP).
- This plan becomes the sole quality control (QC) option from January 2016 for laboratories not using Clinical Laboratory Improvement Act (CLIA) default QC.
- Previous methods like "equivalent QC" (EQC) and Clinical and Laboratory Standards Institute (CLSI) standards are no longer sufficient for microbiology system QC.
Purpose of the Study:
- To inform clinical microbiology laboratories about the upcoming changes in quality control regulations.
- To highlight the mandatory shift towards the Individualized Quality Control Plan (IQCP).
- To note the discontinuation of "equivalent QC" (EQC) and reliance on CLSI standards alone.
Main Methods:
- Analysis of the new CMS Individualized Quality Control Plan (IQCP) regulations.
- Comparison of IQCP requirements with previous quality control (QC) methodologies.
- Assessment of the impact on clinical microbiology laboratory operations.
Main Results:
- The Individualized Quality Control Plan (IQCP) will be the mandatory QC standard from January 2016 for many laboratories.
- Laboratories must cease using "equivalent QC" (EQC) or solely CLSI standards for microbiology QC.
- The implementation is anticipated to be an added burden for clinical microbiology laboratories.
Conclusions:
- Clinical microbiology laboratories must adapt to the new Individualized Quality Control Plan (IQCP) by January 2016.
- The benefits and practical implications of IQCP implementation remain to be determined.
- Laboratories face a significant regulatory shift impacting their quality control processes.
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