ISO 15189 vs CSA Z314: Which Sterilization Records a Canadian Medical Laboratory Must Keep
A medical laboratory that sterilizes its own instruments answers to two documents that were written for different purposes. ISO 15189 is the quality and competence standard for the laboratory, and it says almost nothing about steam. The CSA Z314 series is the Canadian reprocessing standard, and it is specific about loads, monitoring and storage. Auditors ask for records from both, and the two record sets are not interchangeable.
Which standard governs what?
ISO 15189:2022 is organised into clause groups that run from general requirements through to management system requirements, and it treats sterilization as a controlled supporting process. It requires a written procedure, a competent person, controlled equipment and evidence that the result was accepted or rejected. The CSA Z314 series covers decontamination and reprocessing, and it tells you what to measure and when. Read together, ISO 15189 sets the obligation and CSA Z314 sets the method.
Which records each standard drives
| Record | ISO 15189 expectation | CSA Z314 series expectation |
|---|---|---|
| Procedure and version | Controlled document, current revision in use | Reprocessing procedure for each device category |
| Equipment identity and status | Equipment list, maintenance and calibration records | Sterilizer records, including test and maintenance history |
| Load and cycle parameters | Traceable to the batch of work | Cycle type, time, temperature and pressure for the load |
| Monitoring results | Recorded, reviewed and accepted against criteria | Chemical, biological and physical monitoring per the applicable part |
| Load release | Authorised by a competent person | Release decision recorded before the load enters storage or use |
| Packaging and storage | Controlled as part of the examination process | Packaging selection and storage conditions that protect the barrier |
| Personnel competence | Training and competence records | Competency for the reprocessing tasks performed |
The right column is where most findings originate, because it is the part the laboratory tends to treat as a workshop task rather than a quality record.
What does a failed result trigger?
A failed monitoring result starts a sequence: the load is held, the cause is investigated, corrective action is taken, and the items are re-processed or discarded. Both standards want the same paper trail, a record that shows what was quarantined, who decided, and what happened to the items. Without that record the laboratory can prove it tested but not that it acted.
Which consumables carry the record?
Every consumable used in reprocessing produces a traceable field. A Class 4 dual-indicator sterilization pouch contributes a lot number and an indicator result, autoclave indicator tape marks the load and the date, and a self-contained biological indicator contributes its own lot number, expiry date and incubation result. A laboratory that wants a fast way to trial the monitoring routine can start with a 5-pack biological indicator trial before committing to case quantities.
How should a laboratory prepare for the audit?
Build one register that lists every sterilization record, its retention period and the person accountable for it, then test it by trying to reconstruct a single load from a date three months ago. If the reconstruction takes more than a few minutes, the register is describing a system that does not exist in practice.
Ordering for a medical laboratory, clinic network or multi-site operator? Wholesale and multi-site ordering covers case pricing and account setup, and the B2B wholesale collection lists the lines stocked for institutional buyers.
References
- CALA — Accreditation (checked 24 September 2026)
- Public Health Ontario — Infection Prevention and Control (checked 24 September 2026)
Related Reading
- What Does ISO 15189 Require for a Canadian Medical Laboratory?
- Case Review: A Lab's First ISO 15189 Internal Audit
- What Records Should a Laboratory Keep for Waste Inactivation?
- sterilization log sheet template
Frequently Asked Questions
Does ISO 15189 tell a laboratory how to run a sterilizer?
No. ISO 15189 sets quality and competence requirements and asks the laboratory to validate and control its processes. For steam sterilization in Canada, the CSA Z314 series supplies the operating detail, so the two documents work together rather than competing.
Which sterilization records does ISO 15189 expect?
Records that prove the process was controlled and the result traceable: procedure and version, equipment identity, cycle parameters, monitoring results, acceptance criteria, and who authorised release of the load.
What does CSA Z314 add for record keeping?
The reprocessing specifics: monitoring expectations for each load, the recall and re-test sequence when monitoring indicates a failure, packaging and storage requirements, and competency expectations for the people doing the work.
How long should a laboratory keep sterilization records?
Set the retention period in your own document control procedure, then apply it consistently. The period should cover the longest shelf life you assign to a sterile item plus the period in which a result could be questioned.
Is a biological indicator record required for every load?
No. Monitoring frequency is set by the sterilizer type, the load and the jurisdiction. What has to be recorded is the schedule you follow, and the result for every test you run, including the lot number and the expiry date of the indicator.
Last updated: September 2026. CliniEco Medical is a licensed medical device establishment (MDEL #35334).
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