Framework overlap

Does ISO 27018 cover ISO 22000:2018?

You hold ISO 27018 and have been told to do ISO 22000:2018. Here is how much overlaps, control by control.

25% of ISO 22000:2018 you already have

ISO 27018 already covers about 25% of ISO 22000:2018, leaving 41 of 55 controls as genuinely new work.

Already covered 0 Likely covered 14 New work 41

No control in ISO 27018 maps directly to one in ISO 22000:2018. Everything counted as covered is covered because both map to the same third standard, which is what a crosswalk is, but it is an inference rather than a lookup.

What is genuinely new work

Nothing in ISO 27018 reaches these. This is the list to scope.

10.1
Nonconformity and corrective action
10.2
Continual improvement
10.3
Update of the food safety management system
4.2
Understanding the needs and expectations of interested parties
4.3
Determining the scope of the food safety management system
4.4
Food safety management system
5.1
Leadership and commitment
5.2.1
Establishing the food safety policy
5.2.2
Communicating the food safety policy
5.3
Organizational roles, responsibilities and authorities
7.1
Resources
7.1.2
People
7.1.3
Infrastructure
7.1.4
Work environment
7.1.5
Externally developed elements of the food safety management system
7.1.6
Control of externally provided processes, products or services
7.2
Competence
7.3
Awareness
7.4
Communication
7.4.2
External communication
7.5
Documented information
7.5.2
Creating and updating
7.5.3
Control of documented information
8.4
Emergency preparedness and response
8.5
Hazard control
8.5.1
Preliminary steps to enable hazard analysis
8.5.3
Validation of control measure(s) and combinations of control measures
8.5.4
Hazard control plan (HACCP/OPRP plan)
8.6
Updating the information specifying the PRPs and the hazard control plan
8.7
Control of monitoring and measuring
8.8
Verification related to PRPs and the hazard control plan
8.8.1
Verification
8.8.2
Analysis of results of verification activities
8.9
Control of product and process nonconformities
8.9.2
Corrections
8.9.3
Corrective actions
8.9.4
Handling of potentially unsafe products
8.9.5
Withdrawal/recall
9.1
Monitoring, measurement, analysis and evaluation
9.1.2
Analysis and evaluation
9.2
Internal audit
Show the 14 you already have
4.1
Understanding the organization and its context
5.2
Policy
6.1
Actions to address risks and opportunities
6.2
Objectives of the food safety management system and planning to achieve them
6.3
Planning of changes
7.4.3
Internal communication
8.1
Operational planning and control
8.2
Prerequisite programmes (PRPs)
8.3
Traceability system
8.4.2
Handling of emergencies and incidents
8.5.2
Hazard analysis
9.3
Management review
9.3.2
Management review input
9.3.3
Management review output

How this is calculated

Already covered means a mapping runs from a control in ISO 27018 to that control. Likely covered means no direct mapping exists but both frameworks map to the same control in a third standard. New work means neither. We keep those separate rather than adding them into one friendlier number, because blending them would present a two-hop inference as a verified fact.

Coverage is not symmetric. Run it the other way and you will get a different number; both are correct.

From 332,959 cross-framework control mappings across 723 frameworks, 531 of them verified against their source documents. It does not tell you that you are compliant: a mapped control means the two standards ask for the same thing, not that you have done it.

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