Methodological standard · §5
CEI-MS-15 — system suitability and acceptance criteria
The performance the system must demonstrate, and the criteria a result must meet to be reportable.
§5System suitability and acceptance criteria
§5.1System suitability
Table 1. System suitability criteria. A determination is reportable only where every criterion is met at the time of analysis.
| Parameter | Criterion | What it establishes |
|---|---|---|
| Laboratory accreditation scope | Covers each determination requested | Competence |
| Chain of custody | Documented and unbroken | Sample attributability |
| Blinding | Supplier identity withheld | Absence of expectancy effects |
| Reporting route | Laboratory direct to requester | Report integrity |
| Reserve sample | Retained under required conditions | Re-analysis capability |
§5.2Acceptance criteria
- A result is recorded as an independent verification only where every criterion is met.
- A supplier-commissioned report forwarded by the supplier is recorded as a supplier report, not an independent verification, however competent the laboratory.
- A verification that cannot be linked to a batch code appearing on a container is recorded as unattributed and is excluded from the verified column of a supplier dossier.
§5.3Limitations
Compound Evidence Institute · CEI-MS-15/5 · https://compoundevidence.com/methods/third-party-protocol/acceptance-criteria/ · retrieved 30 July 2026