NLM Classification Schedule W

QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

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W Health Professions
	Classify here general and miscellaneous material relating to the health professions.
	W 1-28 Reference Works. General Works
	W 32-64 Law. Ethics. Professional-Patient Relations
	W 74-80 Medical Economics
	W 82-83.1 Biomedical Technology
	W 84-85.5 Health Services. Patients and Patient Advocacy
	W 87-96 Professional Practice
	W 100-275 Medical, Dental, and Pharmaceutical Service Plans
	W 322-323 Social Welfare Through Medicine
	W 601-925 Forensic Sciences
	W 601-750 Reference and General Works
	W 775-867 Medicolegal Examination
	W 900-925 Disability Evaluation. Compensation
	Reference Works. General Works

W 1	Serials. Periodicals (Used for both monographs and serials)

W 2	Serial documents (Table G) (Used for both monographs and serials)
	Classify here government administrative reports and statistics, including administrative reports and statistics on several hospitals under governmental administration. Cf. WX 2 Hospital administrative reports and statistics.

W 3	Congresses (Used for both monographs and serials)
	Classify here monographic and serial publication of recurring congresses on medicine and related subjects. Note that as of July 1, 1988, NLM no longer assigns W3 to newly acquired publications, with the exception of analytics to ongoing serial publication already classified in W3.

W 3.5	Directories of congresses (Used for both monographs and serials)
	Classify bibliographies of congress publications in ZW 3. Note that as of July 1, 1988, NLM no longer assigns W3.5 or ZW 3 to newly acquired publications.

W 4A	American dissertations on clinical research, by author (Used for both monographs and serials)
	Classify other topics and reproductions by subject; classify dissertations which qualify as Americana in WZ 270.

W 4	Dissertations on clinical research by university (Used for both monographs and serials)
	Classify other topics and reproductions by subject
	Collected works (General)
W 5	By several authors
W 6	Pamphlet volumes. Miscellaneous reprint volumes
W 7	By individual authors

W 9	Addresses. Essays. Lectures (General)
	Classify works on specific topics by subject.

W 10	Travels (including expeditions and voyages)

[W 11]	[This number not used]
	Use WZ if appropriate number is available. When there is no appropriate WZ number, the history of a topic is classed with current practice.

W 13	Dictionaries. Encyclopedias (Used for both monographs and serials)
	Classify material on medical shorthand here if it is the primary subject of book.

W 15	Terminology (Used for both monographs and serials)
	Classify works on classification of disease and on disease eponyms in WB 15.

W 16	Tables. Statistics (Used for both monographs and serials)
	Classify serial government administrative reports and statistics in W2.

W 17	Atlases. Pictorial works

W 18	Education
	Classify here works about education.

W 18.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

W 19	Schools and colleges (Used for both monographs and serials)

W 19.5	School catalogs, announcements, etc.) (Table G) (Used for both monographs and serials)
	Classify here works of all schools including schools of dentisry and nursing.

W 20	Graduate and continuing medical education (including fellowships, internships, residencies, etc.)

W 20.5	Medical research (General)
	Classify here material on the various aspects and accomplishments of medical research. Classify works on research limited to a particular subject with the subject.
W 20.55	Special topics, A-Z
W 20.55.A5	Animal experimentation. Animal testing alternatives
W 20.55.F4	Fetal Research
W 20.55.H9	Human experimentation

W 20.9	Fraternities (Cutter from name of fraternity)

W 21	Medicine as a profession. Peer review
	Classify here works about medical careers. Classify those about other specific careers with the specialty, e.g., those about nursing in WY 16. Classify works on the specialties in general in W 87.

W 21.5	Allied health personnel. Allied health professions
	Classify here works about supply and distribution as well as those about careers. Classify works on specific personnel in more specific number when available, e.g., those on nurses aides in WY 193. Classify works on health manpower including physicians in W 76.

W 22	Directories (Table G) (Used for both monographs and serials)
W 22.1	General coverage (Not Table G) (Used for both monographs and serials)
	Laboratories, institutes, etc.
	Cf. QY 23-24 for general clinical laboratories.
W 23	Collective
W 24	Individual (Cutter from name of institution)

W 26	Equipment and supplies (Used for both monographs and serials)
	Classify here medical and surgical supply and instrument catalogs as well as catalogs of special equipment, e.g., tables and chairs in doctors' waiting rooms. Include works on history of instruments in general.

W 26.5	Informatics. Health informatics
	Classify works on use for special subjects by subject.
W 26.55	Special topics, A-Z
W 26.55.A7	Artificial intelligence. Expert systems
W 26.55.A9	Automatic data processing
W 26.55.C7	Computers
W 26.55.D2	Decision making, Computer-assisted
	Classify works on computer-assisted diagnosis (general) in WB 141; on computer-assisted therapy (general) in WB 300.
W 26.55.I4	Information systems. Information storage and retrieval
W 26.55.S6	Software
	Museums, exhibitions, etc.
W 27	Collective
W 28	Individual (Cutter from name of institution or exhibit)
	Law. Ethics. Professional-Patient Relations

W 32	Laws (General) (Table G) (Used for both monographs and serials)
W 32.1	General coverage (Not Table G) (Used for both monographs and serials)
W 32.5	Discussion of law. Medical jurisprudence (General) (Table G) (Used for both monographs and serials)
	Include here works on legal advice, court decisions and opinions, legal rights and obligations. Cf. W 700, etc., Forensic medicine.
W 32.6	General coverage (Not Table G) (Used for both monographs and serials)
W 33	Laws governing medical practice (Table G) (Used for both monographs and serials)
W 33.1	General coverage (Not Table G) (Used for both monographs and serials)

[W 39]	[This number not used]
	Classify handbooks for the health professions in W 49.
W 40	Licensure (Table G)
W 40.1	General coverage (Not Table G)
W 44	Malpractice (Table G)
W 44.1	General coverage (Not Table G)

W 49	Handbooks. Resource guides (Used for both monographs and serials)

W 50	Medical ethics
	Classify clinical ethics in WB 60.

W 58	Advertising

W 61	Medical philosophy and logic

W 62	Physicians' social relations. Attitude
	Classify here works on relations with patients, the public, clubs, societies, etc.

W 64	Referral and consultation (General)
	Classify here works on referral, etc., initiated by the physician. Classify works on particular medical problems by subject; works on problems referred by specialists with the specialty.
	Medical Economics

W 74	Medical economics. Health care costs (General) (Table G)
	Cf. W 58 for economic aspects of medical ethics.
W 74.1	General coverage (Not Table G)
W 76	Health manpower and services, distribution and characteristics
	Classify works limited to allied health manpower in W 21.5.
W 79	Income of physicians
W 80	Practice management (including business administration)
	Classify here medical secretaries' handbooks.
	Biomedical Technology

W 82	Biomedical technology (General)

W 83	Telemedicine (General) (Table G)
	Classify works on telemedicine relating only to private practice in WB 50.
W 83.1	General coverage (Not Table G)
	Health Services. Patients and Patient Advocacy

W 84	Health services. Quality of health care (General) (Table G)
	Classify works on public health administration in appropriate WA number. Classify works on quality of health care relating only to private practice in WB 50.
W 84.1	General coverage (Not Table G)
W 84.3	Research (General)
W 84.5	Comprehensive health care. Community medicine
	Cf. WA 546 Community health service.
W 84.6	Primary health care
W 84.7	Patient care planning. Progressive health care (General)
	Classify works on care of hospital patients in WX 162.
W 84.8	Patient care team
	Classify works on hospital teams in WX 162.5.

W 85	Patients. Attitude and compliance. Satisfaction
	Classify works on attitude toward particular subject with the subject.
W 85.5	Right to die. Advance directives. Living wills
	Cf. WB 310 Hospice care. Terminal care.
	Professional Practice

W 87	Professional practice
	Cf. W 21 Medicine as a profession. Include here general works about types of practice in medicine and allied fields. Classify works on specific medical specialties or allied fields by subject, e.g., on surgery in WO 21; on nursing in WY 101-145, etc.
W 88	Administrative work. Teaching. Research
	Classify here works about planning for administrative, teaching, or research careers. Classify works on practice management in W 80, etc.; on education and how to teach in W 18, etc.; on research itself in W 20.5, etc.
W 89	Family practice (As a specialty) Private practice
	Classify texts and treatises for general practitioner or family doctor in WB 110.
W 90	Specialism (General)
	Classify works on a particular specialty with the specialty.
W 92	Group practice. Partnership practice

[W 94]	[This number not used]
W 96	Institutional practice
	Medical, Dental, and Pharmaceutical Service Plans
	Classify works on Medicare and medical care plans for the aged in WT 31.

W 100	General works
	Cf. W 275 General service plans by country.

W 125	Voluntary pre-payment plans (General or not elsewhere classified) (Table G)
W 125.1	General coverage (Not Table G)
W 130	Managed care plans (General or not elsewhere classified) (Table G)
W 130.1	General coverage (Not Table G)
W 132	Health maintenance organizations (Table G)
W 132.1	General coverage (Not Table G)

W 160	Hospitalization insurance. Major medical insurance. Long-term care insurance. Medigap insurance (Table G)
W 160.1	General coverage (Not Table G)

W 185	Compulsory pre-payment plans (not a function of the state) (General or not elsewhere classified) (Table G)
W 185.1	General coverage (Not Table G)

W 225	Medicine as function of the state (Table G)
	Classify here material on health protection for everyone as a function of the state, supported by taxation, with medical services subject to regulation by the state.
W 225.1	General coverage (Not Table G)

W 250	Medical care for low-income, uninsured and indigent groups. Medicaid (Table G)
W 250.1	General coverage (Not Table G)

W 255	Nursing insurance

W 260	Dental insurance. State dentistry (Table G)
W 260.1	General coverage (Not Table G)

W 265	Pharmaceutical insurance (Table G)
W 265.1	General coverage (Not Table G)

W 270	Psychiatric insurance (Table G)
W 270.1	General coverage (Not Table G)

W 275	Medical, dental, pharmaceutical and/or psychiatric service plans, by country (Table G)
	Classify here works covering both compulsory and voluntary plans. Cf. W 100 General works.
	Social Welfare Through Medicine

W 322	Medical social work
	Include works on social service in hospitals here. Cf. WM 30.5 Psychiatric social work.

W 323	Medical missions
	Classify biographical or autobiographical works of medical missionary doctors and nurses in WZ 100.
	Forensic Sciences Reference and General Works

W 601	Societies (Cutter from name of society) (Used for both monographs and serials)
	Includes ephemeral membership lists issued serially or separately. Classify substantial lists with directories. Classify annual reports, journals, etc., in W1.
	Collected works (General)
W 605	By several authors
W 607	By individual authors

W 609	Addresses. Essays. Lectures (General)

W 611	History (Table G)
W 611.1	General coverage (Not Table G)

W 613	Dictionaries. Encyclopedias (Used for both monographs and serials)

W 615	Classification. Terminology (Used for both monographs and serials)

W 616	Tables. Statistics (Used for both monographs and serials)

W 617	Atlases. Pictorial works
	Classify here atlases and pictorial works on any phase of forensic medicine, etc.

W 618	Education
	Classify here works about education.

W 618.2	Educational materials (Used for both monographs and serials)
	Classify here educational materials, e.g., outlines, questions and answers, programmed instruction, catalogs, computer-assisted instruction, etc., regardless of format. Classify textbooks, regardless of format, by subject.

W 622	Directories (Table G) (Used for both monographs and serials)
W 622.1	General coverage (Not Table G) (Used for both monographs and serials)
	Laboratories, institutes, etc.
W 623	Collective
W 624	Individual (Cutter from name of institution)

W 625	Laboratory manuals. Technique

W 626	Equipment and supplies
	Classify catalogs in W 26.

W 626.5	Informatics. Automatic data processing. Computers (General)
	Classify works on use for special subjects by subject.
	Museums, exhibitions, etc., on medicolegal subjects
W 627	Collective
W 628	Individual (Cutter from name of institution, exhibit, etc.)

[W 632]	[This number not used]
	Classify works on medical jurisprudence only in W 32.5-32.6. Cf. W 700.

W 639	Handbooks. Resource guides (Used for both monographs and serials)

W 700	General works
	Classify here general works on medical and pathological examination of criminal evidence, as well as works including material on medical jurisprudence. Classify works on medical jurisprudence only, in W 32.5-32.6.

W 705	Forensic dentistry

W 725	Expert testimony

W 740	Forensic psychiatry. Forensic psychology
	Classify works on commitment in WM 32-33.

W 750	Other forensic sciences
	Include here works on specialties not elsewhere classified, e.g., forensic chemistry, forensic anthropology, forensic toxicology, forensic genetics. Classify works on forensic nursing in WY 170.
	Medicolegal Examination

W 775	Medicolegal forensic examination (General)
W 780	Examination of the living
W 783	Malingering
W 786	Genetic identification
W 789	Legal establishment of the beginning of life
W 791	Consanguinity. Paternity. Pregnancy
W 795	Rape. Sexual offenses
W 800	Examination of dead bodies. Duties of coroners
W 820	Signs of death. Time of death. Sudden death
W 822	Destruction and attempted destruction of the human body
W 825	Determination of cause of death. Forensic autopsy
W 843	Trauma
W 860	Criminal violence. Homicide
W 864	Suicide
W 867	Criminal abortion. Infanticide
	Cf. WQ 225 for spontaneous abortion; WQ 440 for medical aspects of therapeutic or induced abortion; HQ 767 for social aspects of induced abortion.
	Disability Evaluation. Compensation

W 900	Forensic aspects of insurance
	Classify works on liability insurance in form number 44 with malpractice when available in NLM schedules or in HG 9990 if general material.

W 910	Forensic aspects of compensation to victims of criminal violence

W 925	Forensic aspects of occupational disease and injury
	Cf. WV 32 for estimation of disability in otolaryngology; WW 32 for estimation of disability in ophthalmology.