Skip Navigation Bar
National Library of Medicine Technical BulletinNational Library of Medicine Technical Bulletin

Table of Contents: 2016 NOVEMBER–DECEMBER No. 413

Previous Next

Cataloging and Metadata News 2017

Boehr D, Willis S. Cataloging and Metadata News 2017. NLM Tech Bull. 2016 Nov-Dec;(413):e5.

2016 December 01 [posted]

NLM Classification Updated in Two Phases

Starting with 2017, the NLM Classification will be moving from an annual spring update to twice-yearly updates.

The winter version, to be published in mid-to-late January, will encompass changes to the NLM Classification resulting from new and changed Medical Subject Headings (MeSH) terms for 2017 as well as additional minor updates to the index.

The summer version to be published in mid-to-late August will encompass the ongoing systematic review of particular classification schedules and other miscellaneous updates.

The Index to the NLM Classification will reflect 2017 MeSH changes when the 2017 Winter version of the NLM Classification is published in January 2017. This update will be available four months earlier than in the past.

NLM Classification Number in MeSH Browser

The NLM Classification number now appears in many terms in the MeSH Browser. It is supplied annually by the Cataloging and Metadata Management Section when the MeSH term points to a single classification number (see Figure 1).

classification number in mesh browser
Figure 1: Classification number in MeSH Browser.

MeSH 2017 — Implications for LocatorPlus and the NLM Catalog

The National Library of Medicine (NLM) adopted the 2017 MeSH vocabulary for cataloging on November 21, 2016.

Accordingly, MeSH subject headings in LocatorPlus were changed to reflect the 2017 MeSH vocabulary and appear in that form as of November 21, 2016.

When year-end processing (YEP) activities are completed in mid-December, the NLM Catalog database, and translation tables will be updated to reflect 2017 MeSH. Until then, there will be a hiatus in the addition of new and edited bibliographic records to the NLM Catalog.

MeSH 2017 Changes in NLM Bibliographic Records and Cataloging Policy

NLM implemented the vocabulary changes in NLM bibliographic records for books, serials, and other materials as they were applied for citations in MEDLINE. Below are a few highlights:

1. Qualifier (Subheading) Changes

The subheading /diagnostic imaging was created for 2017 MeSH.  It replaces the following three subheadings, all deleted in 2017:

/radionuclide imaging

As part of the YEP automated processing, when one of these specific subheadings was replaced with /diagnostic imaging, a new main heading for the specific imaging technique was added to the record.  Therefore, users may see some redundancies in older cataloging records if a child term or the Main Heading with a subheading was already present in the record.

Cataloging and Indexing Policy:

DIAGNOSTIC IMAGING [Main Heading] - Use only for general materials. No change in policy.

/diagnostic imaging [AQ/Subheading]
  • Use with disease and/or organ headings
  • Coordinate with the specific diagnostic imaging MeSH Heading if available [see terms treed under MH Diagnostic Imaging]
  • Coordinate with the new specific Multimodal Imaging headings if available [see terms treed under MH Multimodal Imaging]
  • Use for disease or organ headings previously cataloged with the subheadings /radiography /radionuclide imaging /ultrasonography. Coordinate with the MeSH Heading: RADIOGRAPHY (or specific), RADIONUCLIDE IMAGING (or specific), ULTRASONOGRAPHY (or specific)
  • Do not coordinate with the MeSH Heading DIAGNOSTIC IMAGING

2. Persons

Forty-one person terms were added to Category M.  Assign the MeSH term for the appropriate class of persons when applicable.

3. Publication Types (PTs) and Related Terms

Two new Publication Types were created:

  • Calendars (has corresponding as Topic term)
  • Study Guide (has corresponding as Topic term)

2017 MeSH Descriptors Not Used by Catalogers

1. Non-Medical Public and Private Facilities
A new tree (J03) was created for Non-Medical Public and Private Facilities to gather together non-medical facilities.  This is a place holder term that cannot be used by catalogers.  Catalogers should use the specific MeSH treed below this term. Catalogers may use the specific terms Public Facilities or Private Facilities.

2. National Authority File Terms - Catalogers should use the appropriate term from the National Authority File (NAF) rather than the MeSH term.  Each term has Annotation: CATALOGER: Use NAF entry. Three new terms were created and one was modified. For each of the terms below, catalogers should search the National Authority File for the correct form of the term to be used in the MARC 610 field and coordinate with the MARC 650 field as shown.

Medicare Access and CHIP Reauthorization Act of 2015
Coordinate with MARC 650 X2 Medicare.

National Center for Advancing Translational Sciences (U.S.)
Coordinate with MARC 650 X2 United States Government Agencies.

National Center for Complementary and Integrative Health (U.S.)
Coordinate with MARC 650 X2 United States Government Agencies.

National Academies of Science, Engineering, and Medicine (U.S.) Health and Medicine Division
The heading was changed from Institute of Medicine (U.S.) and is now an entry term. Coordinate with 650 MARC X2 Academies and Institutes.

For additional information about 2017 MeSH, see MEDLINE Data Changes — 2017 and What's New for 2017 MeSH.

By Diane Boehr and Sharon Willis
Cataloging and Metadata Management Section (CAMMS)

NLM Technical Bulletin National Library of Medicine National Institutes of Health