Searching the Concept Codes Index

This search aid allows you to select one or more concept codes to add to your search query.


Browsing for Concept Codes

Click a letter to browse through a list of codes and headings alphabetically by name. This feature is useful if you do not know the exact code/heading you need in your search.


Find Option

  1. Enter a word or phrase in the Find text box. Boolean operators (AND, OR, NOT) and wildcards (* ?) are permitted.

  2. Click the Find button to go to a list of codes and headings.

  3. Click the Add button to select a code from the list. The selected code is added to the text box at the bottom of the page.

  4. Click OK to transfer the selected code(s) to the Concept Codes field on the Search page.

    If you are performing an Advanced Search, the product transfers the selected code(s) to the field box on the Advanced Search page along with the correct field tag. For example, CC=(13006 Metabolism - Lipids).

Note: Go to our Concept Codes help page for a complete list of concept codes.


About Scope Notes

Click the View Scope Notes icon to display additional information that describes how a concept code is used and/or provide historical information about its use.


Information About ...

Go to our glossary for a definition of the following terms.

  • Broader Term
  • Concept Code
  • Narrower Term 
  • Related Term 
  • Scope Note