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The World's Largest Medical Library
NLM Classification 2014: Worldwide source of medical library classification

Class Numbers Added and Canceled    


Class Numbers Added - 2014
New Number Class Name Former Number(s)
QT 34.5 Biomechanical phenomena None
QT 34.8 Magnetic phenomena QT 34; QU 375
QT 36.2 Medical electronics QT 34
QT 36.4 Biosensing QT 36
QT 37.5.M4 Metals Various numbers
QT 256 Physical fitness QT 255
QT 260.5.D3 Dancing QT 255
QT 260.5.G9 Gymnastics QT 255
QT 260.5.Y7 Yoga QT 255
QT 262 Doping in sports QT 260
QT 263 Sports and exercise nutrition None
WM 420.5.P75 Psychotherapy, Psychodynamic None
*WX 21 Hospital medicine as a profession. Ethics. Peer review None

                   *WX 21 was a formerly canceled number that was reinstated.



Class Numbers Canceled - 2014
Canceled Number Class Name Now Classed in
QS 530 Experimental histology Various numbers
QS 642 Twinning. Multiple embryo production WQ 235
QT 162.E4 Electrolytes Various numbers
QT 230 Lighting. Air. Sunlight. Living space QT 162.L5
QZ 57 Physical agents Various numbers
WG 530 Frostbite. Immersion foot WD 670; WE 880
WW 113 Hygiene. Eye protective devices WW 26