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NLM Classification 2020: Worldwide source of medical library classification


Practice of Medicine

  WB 1-117 Reference Works. General Works
  WB 120-130 Home Health Care. Works about Medicine for the Layperson
      WB 141-142 General Diagnosis
  WB 141-293 Diagnosis
      WB 143-182 Signs and Symptoms
      WB 200-288 Physical Diagnosis
      WB 290-293 Medical History. Clinical Reports
      WB 300-395 General Therapeutics
  WB 300-962 Therapeutics
      WB 400-449 Diet Therapy and Nutrition Therapy
      WB 460-556 Physical and Occupational Therapy
      WB 700-760 Medical Geography
      WB 880-962 Complementary and Alternative Therapies

Reference Works. General Works

WB 1
Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society) (Table G)
(Used for both monographs and serials)
Includes membership lists issued serially or separately. Classify directories in WB 22. Classify annual reports, journals, etc. in W1. For academies and institutes, see WB 23-24.
WB 5
Collected works on clinical medicine, diagnosis, or special therapeutic systems by several authors
Classify collected works on the medical profession in general in W5-7.
WB 7
Collected works on clinical medicine, diagnosis, or special therapeutic systems by individual authors
WB 9
Addresses. Essays. Lectures
[WB 11]
[This number not used]
History of a specific topic is classed with the topic. Classify the history of medical practice in WZ.
WB 13
Classify dictionaries in W 13.
WB 15
Classification. Terminology
(Used for both monographs and serials)
Classify works that consist of general medical nomenclature or terminology in W 15.
WB 16
Tables. Statistics. Surveys (Table G)
(Used for both monographs and serials)
WB 16.1
General coverage (Not Table G)
(Used for both monographs and serials)
WB 17
Atlases. Pictorial works
Cf. QZ 17 for tissue pathology of disease.
WB 18
Classify here materials on education in the special systems of therapeutics or other topics specific to this schedule. Classify materials on general medical education in W 18.
WB 18.2
Educational materials
(Used for both monographs and serials)
Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.
WB 22
Directories (of health resorts and/or special systems of therapeutics) (Table G)
(Used for both monographs and serials)
WB 22.1
General coverage (Not Table G)
(Used for both monographs and serials)
WB 23
Collective academies, institutes, etc.
Classify works on research laboratories in general in W 23-24. Classify works on clinical laboratories in general in QY 23-24. Classify works on specific types of laboratories in the appropriate schedule, e.g., hospital laboratories in WX 207.
WB 24
Individual academies, institutes, etc. (Cutter from name of institution)
WB 25
Technique of research in internal medicine
Classify works on technique of research limited to a particular subject with the subject.
WB 26
Equipment and supplies
Classify medical and surgical supply and instrument catalogs in W 26. Classify works on self help devices in WB 320.
[WB 26.5]
[This number not used]
Classify works on medical informatics, data processing or computers used in medicine in W 26.5 or by subject.
WB 27
Collective hospitals, dispensaries and clinics for specialized types of therapy (Table G)
Classify works on general hospitals in WX; others in specialty numbers.
WB 27.1
General coverage (Not Table G)
WB 28
Individual hospitals, dispensaries and clinics for specialized types of therapy (Cutter from name of hospital) (Table G)
WB 28.5
Collective museums, exhibitions, etc.
WB 28.6
Individual museums, exhibitions, etc. (Cutter from name of museum, etc.) (Table G)
WB 29
Rehabilitation centers. Residential facilities. Sheltered workshops
Cf. WM 29-29.1 Mental health facilities. Classify works on rehabilitation hospitals in WB 27-28.
WB 32
Laws relating to special systems of therapeutics (Table G)
(Used for both monographs and serials)
WB 32.1
General coverage (Not Table G)
(Used for both monographs and serials)
WB 33
Discussion of law (Table G)
(Used for both monographs and serials)
WB 33.1
General coverage (Not Table G)
(Used for both monographs and serials)
WB 39
Handbooks. Resource guides
(Used for both monographs and serials)
WB 50
Medical practice (Table G)
Includes works dealing with private practice. Classify works on health services in general in W 84-84.3.
WB 50.1
General coverage (Not Table G)
WB 55
Traditional medicine (General or not elsewhere classified)
Classify here works dealing with traditional medicine as currently practiced. Use WZ for the history of traditional medicine.
WB 55.A3
African traditional medicine
WB 55.A7
Arabic medicine
WB 55.A9
Ayurvedic medicine
WB 55.C4
Chinese traditional medicine
WB 55.F3
East Asian traditional medicine
WB 55.K3
Kampo medicine
WB 55.K6
Korean traditional medicine
WB 55.M6
Mongolian traditional medicine
WB 55.T5
Tibetan traditional medicine
WB 55.U5
Unani medicine
WB 60
Bioethics. Clinical ethics. Clinical ethics committees
Classify works on hospital clinical ethics committees in WX 150.
WB 65
Euthanasia. Assisted suicide
WB 100
General works
WB 101
Ambulatory care (General)
Cf. WX 205 Hospital outpatient clinics, ambulatory care facilities.
WB 102
Clinical medicine
WB 102.5
Evidence-based practice
WB 102.7
Precision medicine
WB 103
Behavioral medicine
WB 104
Medical psychology
WB 105
Emergency medicine. Medical emergencies
Classify works on emergency hospital service in WX 215; on first aid in WA 292; on pediatric emergencies and emergency medicine in WS 205.
WB 107
Wilderness medicine
WB 110
General practice (including family practice)
Classify works on general or family practice as a specialty in W 89.
WB 112
Osteopathic medicine
WB 113
Integrative medicine
WB 115
Internal medicine
WB 116
Military medicine
WB 117
Medical uses of non-ionizing radiation (General)
Cf. WB 288 for diagnostic use; WB 480 for therapeutic use.

Home Health Care. Works about Medicine for the Layperson

WB 120
Household medical books. Self-care for the layperson
Classify works about consumer health information at WA 590.
WB 130
General works for laypersons
Classify here works on general medicine for a non-medical audience.

General Diagnosis


WB 141
General works
Cf. QY 4 General works on clinical pathology.
WB 141.4
Health status
WB 141.5
Differential diagnosis
WB 142
Prognosis. Monitoring

Signs and Symptoms

WB 143
Signs and symptoms
WB 146
Fatigue. Sleepiness
WB 148
Asthenia. Cachexia. Wasting syndrome
WB 152
Chills. Fever
WB 158
Dehydration. Edema
WB 176
WB 182
Syncope. Coma

Physical Diagnosis

WB 200
Physical diagnosis (General)
WB 205
Technique of physical examination
WB 270
WB 275
Inspection. Palpation
WB 278
Auscultation. Percussion
WB 280
Blood pressure
WB 282
WB 284
WB 286
Body weights and measures
WB 288
Diagnostic uses of non-ionizing radiation
[WB 289]
[This number not used]
Classify diagnostic use of ultrasonics in WN 208.

Medical History. Clinical Reports

WB 290
Medical history taking
Classify works on medical record libraries and hospital records in WX 173.
WB 291
Personal health records
WB 293
Collections of clinical case reports
Classify here miscellaneous collections. Classify case reports limited to one disease with the disease.

General Therapeutics


WB 300
General works
WB 305
Instructions or non-drug prescriptions for devices or therapy (General)
Classify specific devices or therapies by subject.
WB 310
Hospice care. Palliative care. Terminal care
Cf. W 85.5 Right to die; WY 152 Nursing care of terminal patients.
WB 320
Rehabilitation (General)
Classify here works on physical and medical rehabilitation in general as well as those that include educational, social, and vocational rehabilitation. Classify works on specific types, by type, e.g., Physical therapy WB 460. Classify works with no medical slant in HD 7255-7256.
WB 320.5
Rehabilitation research
WB 325
Cf. WM 29-29.1 for mental patients; WO 183 Postoperative care; WY 100 Nursing care.
WB 327
Self care
WB 330
Drug therapy
Cf. QV Pharmacology.
WB 340
Drug Administration
WB 342
Inhalation. Intranasal
WB 344
WB 346
WB 350
Oral. Enteral
WB 354
Injections. Infusions
WB 356
Blood transfusion
WB 365
Various other therapeutic and diagnostic procedures (General or not elsewhere classified)
WB 369
Acupuncture. Acupuncture therapy. Moxibustion
WB 369.5
Specific techniques, A-Z
WB 369.5.A17
WB 369.5.A18
Acupuncture Analgesia
WB 369.5.E2
Ear acupuncture
WB 369.5.E4
WB 369.5.M5
Meridians. Acupuncture points
WB 369.5.M9
WB 371
Cupping Therapy. Counterirritation
WB 373
Punctures (General or not elsewhere classified)
[WB 375]
[This number not used]
WB 377
Spinal, cisternal and ventricular puncture
WB 379
WB 381
Phlebotomy. Bloodletting
WB 391
Tissue therapy (Historical). Organotherapy
WB 395
Sex reassignment procedures
Classify here works on surgical and non-surgical procedures. Classify works limited to sex reassignment surgery in WO 620.

Diet Therapy and Nutrition Therapy

WB 400
Dietetics. Diet therapy. Nutrition therapy
Classify works on diets to be used with particular diseases with the disease. Classify works on normal dietary practice in QT 235. Classify works on nutrition and food values in QU 145-145.5. Classify works on diet or nutrition therapy in children in WS 115-132; in the aged WT 115.
WB 405
Dietary cookbooks (General)
Classify cookbooks for diabetic diets in WK 819.
WB 410
Special methods of feeding, e.g., parenteral; tube
WB 420
WB 422
Macrobiotic diet
WB 424
Low sodium diets. Salt-free diets. Dietary use of salt in health and disease
WB 425
Fat control. Dietary fats
Classify works on weight reduction diets in WD 210-212.
WB 426
Meat diets. Protein control
WB 427
Dietary carbohydrates. Carbohydrate control
WB 428
Milk diets. Calcium control
WB 430
Vegetable diets. Fruit diets
WB 431
Edible grains. Seeds. Breads
WB 432
Raw food diets
WB 433
WB 438
Coffee. Tea
WB 442
Water. Mineral waters
Classify general works on hydrotherapy in WB 520.
WB 444
Wines. Liquors. Cordials. Beer
WB 447
Miscellaneous foods
WB 449
Diet fads (Critical and historical material)
Classify here critical and historical works.

Physical and Occupational Therapy

WB 460
Physical medicine. Physical therapy
WB 469
Heat therapy. Induced hyperthermia
WB 473
Cryotherapy. Therapeutic use of cold
WB 480
Ultraviolet therapy. Heliotherapy. Light therapy
WB 495
Electric stimulation therapy. Magnetic field therapy
WB 510
WB 515
Ultrasonic therapy
WB 520
Hydrotherapy (General)
WB 525
WB 535
Musculoskeletal manipulations (General or not elsewhere classified)
WB 537
WB 541
Exercise therapy
Cf. QT 255 Physical education
WB 543
Breathing exercises
WB 545
Rest. Relaxation
Classify works on hygienic aspects of rest and relaxation in QT 265.
WB 550
Therapeutic use of music
Classify works on therapeutic use of music in psychiatry in WM 450.5.M8.
WB 555
Occupational therapy
Classify works on occupational therapy in psychiatry in WM 450.5.O2.
WB 556
Recreation therapy
Classify works on recreation therapy in psychotherapy in WM 450.5.R4.

Medical Geography

WB 700
Medical geography. Geography of disease (General)
Classify works on the geography of disease in specific locations in WB 710. Classify works on the effect of climate change in WA 30.2.
WB 710
Diseases of geographic areas (Table G)
WB 720
Diseases of ethnic groups (General or not elsewhere classified)
Classify here works on diseases that are associated primarily with a particular ethnic group, when treated as such. Classify works on general health problems of ethnic groups in WA 300-305. Classify works on specific diseases with the disease.
WB 750
Cf. WF 330 Climatotherapy of pulmonary tuberculosis.
WB 760
Health resorts (Table G)
Includes history.
WB 760.1
General coverage (Not Table G)

Complementary and Alternative Therapies

WB 880
Mind-body interactions. Mental healing
Classify works on history in WB 900.
WB 885
Spiritual therapies
Classify works on history in WB 900. Cf. WM 427 for spiritual therapies used in psychotherapy.
WB 890
Complementary therapies (General or not elsewhere classified)
Classify works on cupping in WB 371; on diet fads in WB 449; on vegetarianism in WB 430; on mental healing in WB 880-885. Classify works on a specific disease with the disease.
WB 900
History (General or not elsewhere classified below)
WB 903
Anthroposophy (used in medicine)
Includes history. Cf. BP 595-597 General works.
WB 905
WB 905.6
History and philosophy
WB 905.7
Chiropractic as a profession. Ethics. Peer review
Classify works on education in WB 18.
WB 905.8
WB 905.9
WB 920
Includes history.
WB 925
Herbal medicine. Phytotherapy
Includes history.
WB 930
Includes history.
WB 935
Includes history.
WB 940
Osteopathic manipulation
Classify works on history in WZ.
WB 960
Includes history.
WB 962
Includes history.