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Guides for ISO 15189 laboratories

Practical, plain-language guides written for quality managers and laboratory staff.

ISO 15189:2022 document control: a practical setup for medical laboratories

What ISO 15189:2022 expects from document control, how to number, review, approve and withdraw SOPs, and the records an assessor will ask to see.

7 min read · Updated 17 October 2026

ISO 15189 documentation checklist: the SOPs, forms and records a medical lab needs

A clause-by-clause checklist of the procedures, forms and records most medical laboratories prepare for ISO 15189:2022 accreditation.

8 min read · Updated 17 October 2026

Internal quality control in the medical laboratory: Levey-Jennings charts and Westgard rules

How to set up internal quality control: establishing the mean and SD, plotting Levey-Jennings charts, applying Westgard rules, and documenting QC failures for ISO 15189.

7 min read · Updated 17 October 2026