Independent · non-commercial · publishes on a quarterly cycle|Current cycle 2026 Q3
Compound Evidence InstituteEvidence synthesis · established 2023Graded assessments of compounds, trials, methods and supply
Document set current to 30 July 2026
Methodological standard · Documentation

CEI-MS-15 — Protocol for independent third-party verification of a supplied preparation

Protocol for independent third-party verification of a supplied preparation

Document identifier
CEI-MS-15
Series
Methodological standard
Version
2.0
Published
12 May 2023
Last reviewed
12 Jul 2024
Next review
12 Jul 2027
Identifier
10.71829/cei.meth.14
Certainty
High
Cycle
2023 Q2
Category
Documentation

§1Scope

§1.1Scope

Applies where a preparation is to be independently verified by a laboratory that has no commercial relationship with the supplier. Defines the chain-of-custody, blinding and reporting requirements that make an independent result interpretable.

§2Principle

An independent result is only as good as the assurance that the sample tested is the sample supplied. Chain of custody, sample identity blinding and direct laboratory-to-requester reporting are what distinguish a verification from a supplier-commissioned test forwarded to a customer.[1,2]

§3Apparatus and reagents

§3.1Apparatus

  • Not applicable — a procedural protocol

§3.2Reagents and reference materials

  • Not applicable

References cited on this page

References are numbered in order of first citation in this document. Each superscript in the text links to its entry below.

  1. International Organization for Standardization. ISO/IEC 17025:2017 General Requirements for the Competence of Testing and Calibration Laboratories. ISO/IEC Standard 2017;3rd edition. identifier not held by the Institute
  2. United States Pharmacopeial Convention. General Chapter ⟨1225⟩ Validation of Compendial Procedures. United States Pharmacopeia — National Formulary (USP–NF) 2024;USP 2024 Issue 1. identifier not held by the Institute

Identifiers are reproduced only where the Institute holds them. Where a digital object identifier or PubMed identifier is not shown, the Institute has recorded the journal and year and has not constructed an identifier.

Nothing published by the Institute is medical advice, a diagnosis, a prescription, a treatment recommendation or a purchasing recommendation. Compounds supplied for research use are not approved for human or veterinary use in any jurisdiction, and a favourable analytical assessment of a supplier is not a statement that any product is safe or effective. The Institute publishes certainty ratings and never recommendations. No telephone number, messaging handle or ordering channel appears anywhere on this site.