AN Accession Number

12379062 in an

The AN field contains a unique eight-digit number assigned by NLM to each record added to the database. The accession number enables you to retrieve a specific record at any time.

Browsing Accession Numbers

As an alternative to searching with the field label, you can browse accession numbers and search for them directly from the Accession Number Field-Specific Index. This field-specific index contains only accession numbers available in the database. Results of a search in this index display in the AN field.