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Classification 2024 Winter Edition

Worldwide source of medical classification resources


Respiratory System

  • Classify general works on the respiratory system and its diseases in children in WS 280-285.
  • Classify works on respiratory system disease nursing and nursing of patients with specific respiratory diseases in WY 163.

Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society) (Table-G)
(Monographs and Serials)

Includes membership lists and administrative reports issued serially or separately. Classify directories in WF 22; Classify other serials issued by societies in W1. For academies and institutes, see WF 23-24.

Collected works by several authors

Collected works by individual authors

Addresses. Essays. Lectures

History (Table-G)

General coverage (Not Table-G)

Dictionaries. Encyclopedias
(Monographs and Serials)

Classification. Terminology
(Monographs and Serials)

Tables. Statistics. Surveys (Table-G)
(Monographs and Serials)

General coverage (Not Table-G)
(Monographs and Serials)

Atlases. Pictorial works

Classify atlases limited to a particular part of the system here also.


Classify here works about education.

Educational materials
(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.

Schools, departments, and faculties of pulmonary medicine (Table-G)
(Monographs and Serials)

Include here works on the history of schools. Classify courses of study, college catalogs, etc., in W 19.5.

General coverage (Not Table-G)
(Monographs and Serials)

Research (General)

Classify here works about research in general. Classify works about research on a particular subject by subject.

Pulmonary medicine as a profession. Ethics. Peer review

Classify works on the specialty alone here. Classify works on both the specialty and diseases in WF 100.

Directories (Table-G)

General coverage (Not Table-G)
(Monographs and Serials)

Collective laboratories, academies, institutes, etc.

Individual laboratories, academies, institutes, etc. (Cutter from name of institution)

Laboratory manuals. Technique

Equipment and supplies

Classify catalogs in W 26.

Informatics. Electronic data processing. Computers (General)

Classify works for use on special subjects by subject.

Collective hospitals, dispensaries, sanatoriums, clinics, etc. (Table-G)

General coverage (Not Table-G)

Individual hospitals, dispensaries, sanatoriums, clinics, etc. (Cutter from name of hospital) (Table-G)

Collective museums, exhibitions, etc.

Individual museums, exhibitions, etc. (Cutter from name of museum, etc.) (Table-G)

Laws (Table-G)
(Monographs and Serials)

General coverage (Not Table-G)
(Monographs and Serials)

Discussion of law (Table-G)
(Monographs and Serials)

General coverage (Not Table-G)
(Monographs and Serials)

Handbooks. Resource guides
(Monographs and Serials)

General works

Classify works on specialty and on the specialty and diseases here. Classify works on diseases alone in WF 140.

Anatomy. Histology. Embryology. Abnormalities

Respiratory physiological phenomena


Respiratory system metabolism. Oxygen consumption

Respiratory system diseases (General or not elsewhere classified)

Classify works on both the specialty and diseases in WF 100.

Respiration disorders

Respiratory insufficiency

Respiratory system infections

Respiratory system diagnostic techniques (General or not elsewhere classified)

Specific techniques, A-Z

Bronchial provocation tests


Lung volume measurements

Whole body plethysmography


Respiratory signs and symptoms


Therapeutics (General or not elsewhere classified)

Classify works on therapy for a specific disease with the disease.

Artificial respiration

Oxygen inhalation therapy

Respiratory hypersensitivity (General)

Classify localized reactions with organs affected, e.g., Hay fever in WV 335.

Tuberculosis (General or not elsewhere classified)

Classify works on tuberculosis of organs of other systems, with the organ or system. 

Epidemiology (Table-G)

Classify works on epidemiology of pulmonary tuberculosis in WF 302.  

General coverage (Not Table-G)


Classify works on pathology of pulmonary tuberculosis in WF 304.  

Diagnosis. Prognosis

Classify works on diagnosis of pulmonary tuberculosis in WF 306.  

[This number not used]

Classify works on mass chest x-ray in WF 975.


Classify works on therapy of pulmonary tuberculosis in WF 310-WF 360.

Immunological aspects

[This number not used]

Classify works on lymph node tuberculosis in WH 700.

Pulmonary tuberculosis

Classify works on silicotuberculosis in WF 654.

Epidemiology (Table-G)

General coverage (Not Table-G)




Diet. Rest. Exercise. Home care

Hospitalization. Climatotherapy


Drug therapy

Miliary tuberculosis

Pleural tuberculosis

[This number not used]

Classify works on occupational exposure to tuberculosis in WF 200-WF 390.

Tuberculosis in childhood

Respiratory system neoplasms (General or not elsewhere classified)

Pharynx. Trachea

Classify works for the otolaryngologist in WV 410. Classify works on tracheoesophageal fistula in WI 255.



Bronchitis. Tracheitis



Lungs (General)

Classify works on the pneumonias in WC 202-209; on pulmonary tuberculosis in WF 300-360.

Anatomy. Histology. Embryology. Congenital abnormalities


Lung diseases (General)

Pulmonary atelectasis

Obstructive lung diseases

Lung abscess

Fungal lung diseases

Lung injury

Interstitial lung diseases

Lung neoplasms

Include works on lung neoplasms of bronchial origin.

Pulmonary surgical procedures

Pleura. Pleural cavity


Pleural empyema

Pneumothorax. Hemothorax

Artificial pneumothorax


[This number not used]

Classify works on functional disorders of diaphragm in WF 800.

Diaphragmatic hernia

[This number not used]

Classify subdiaphragmatic abscess in WI 575.


Thoracic cavity (General or not elsewhere classified)

Classify here works on two or more systems within the thoracic cavity, e.g., on respiratory and cardiovascular systems. Classify works on the skeletal portion of the thorax in WE 715.

Thoracic diseases

Diagnosis. Diagnostic imaging

Thoracic surgical procedures (General)

Classify works on thoracic surgery as a profession in WO 21.  

Thoracic injuries