Coordination

Most concepts cannot be adequately described with a single MeSH term. Coordination is the use of a combination of the appropriate MeSH headings, subheadings, and check tags to index a concept as specifically as possible.

Coordination can be accomplished by:

• Using a subheading to describe a specific aspect of a MeSH heading
• Using two MeSH headings
• Coordinating subheadings on two or more headings
• Coordinating a major (asterisked) MeSH heading with a non-major (non-asterisked) MeSH heading that further describes the concept
• Coordinating a heading with one or more check tags
• Indexing a "pre-coordinated" MeSH heading which combines two concepts into one

The following pages show examples of each type of coordination.

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