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
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In a hospital connection it can mean the following: An accession number in bioinformatics is a unique identifier given to a DNA or protein sequence record to allow for tracking of different versions of that sequence record and the associated sequence over time in a single data repository. ... The term accession number is used to describe the sequential number given to each new book, magazine subscription, or recording as it is entered in the catalog of a library. ...
Accession number: a unique identifier for a test order. This is assigned when a new order is entered at a LIS station, typically, for the acquisition and measurement of a Blood Gas sample from a registered patient.
Instead of putting each accessionnumber into a single field, the database was constructed with four or five fields each holding one segment of the accessionnumber, i.e.
Thus the four accessionnumber fields could be indexed as a unity for uniqueness and could be joined as a group to other files based on accessionnumbers.
A separate "lot" number identified related objects that did not necessarily have sequential numbers -- as when engravings from a portfolio had disparate accessionnumbers because they were donated in yearly batches.
It establishes the termini of each accessionnumber series for the year, the numbers assigned to each accession grouping and to object parts, and notes those numbers within each series that have not been and will not be assigned.
Accession registers should consist of sequentially numbered volumes with the period of activity plainly written on the spine or cover and repeated on a title-page.
Obviously card-catalogues cannot be used as the primary record of accession because they cannot document the end of a series of assigned numbers, because their order is subject to corruption and because their elements are subject to damage or loss.