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NLM Classification 2017: Worldwide source of medical library classification

Class Numbers Added and Canceled    

Class Numbers Added - 2018 Winter Edition
New Number Class Name Former Number(s)
QU 550.5.S4 Sequence analysis QU 550
QW 100 Microbiota QW 4
QZ 260 [Neoplasms] Psychosocial aspects QZ 200
W 26.55.V6 Virtual reality None
WA 30.7 One Health WA 530
WB 291 Personal health records WX 173-175
WG 141.5.H3 Hemodynamic monitoring None
WM 450.5.V6 Virtual reality exposure therapy None

Class Numbers Canceled - 2018 Winter Edition
No numbers canceled.