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U.S. Department of Health and Human Services

Recognized Consensus Standards: Medical Devices

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Part B: Supplementary Information Sheet (SIS)
FR Recognition List Number 064 Date of Entry 05/26/2025 
FR Recognition Number 7-329
Standard
CLSI  EP06-EG 2nd Edition
Developer Validation of Linearity, Establishment Guide
Scope/Abstract
CLSI EP06 provides essential guidance for validating and verifying the linearity of a measurement procedure's analytical measuring interval (AMI). This guideline outlines minimum procedures for both manufacturers and laboratory-developed test (LDT) developers to confirm linearity claims and ensure measurement accuracy. EP06 helps laboratories meet medical and regulatory requirements while maintaining precision in quantitative testing.
Extent of Recognition
Complete standard
Rationale for Recognition
This standard is relevant to medical devices and is recognized on its scientific and technical merit and/or because it supports existing regulatory policies.
Public Law, CFR Citation(s) and Procode(s)*
Regulation Number Device Name Device Class Product Code
21 CFR 58 Good Laboratory Practice for Non Clinical Studies
21 CFR 820 Quality Systems Regulations
Relevant FDA Guidance and/or Supportive Publications*
CLSI EP06 2nd Edition Evaluation of the Linearity of Quantitative Measurement Procedures.

Appropriate Use of Voluntary Consensus Standards in Premarket Submissions for Medical Devices - Guidance for Industry and Food and Drug Administration Staff, issued September 2018.
FDA Technical Contacts
 Marina V. Kondratovich
  FDA/CDRH/OPEQ/OIDRH/
  301-796-6036
  marina.kondratovich@fda.hhs.gov
 Ying Mao
  FDA/OC/CDRH/OPEQ/OHTVII/DIHD/IMFB/
  301-796-6635
  Ying.Mao@fda.hhs.gov
Standards Development Organization
CLSI Clinical Laboratory Standards Institute https://clsi.org/
FDA Specialty Task Group (STG)
InVitro Diagnostics
*These are provided as examples and others may be applicable.
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