Accession number

Accession number may mean:

• Accession number (bioinformatics), a unique identifier given to a biological polymer sequence (DNA, protein) when it is submitted to a sequence database.
• Accession number (library science), the sequential number given to each new book, magazine subscription, or recording as it is entered in the catalog of a library.
• Accession number (medicine), a unique identifier for an order, used in medical information systems like a LIS or RIS. Image data generated as a response to the order usually contain the accession number, making it possible to link images with orders.

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