Classification-Schedules

Classification 2025 Winter Edition

Worldwide source of medical classification resources

WN

Radiology. Diagnostic Imaging

Schedule Contents

Reference Works. General Works Diagnostic Imaging Radiotherapy Nuclear Medicine Radiologic Health

Classify here general diagnostic uses of ultrasound and magnetic resonance imaging. Classify here material on diagnostic and therapeutic use of ionizing radiation, ultrasound, and magnetic resonance imaging.

Classify material on ionizing radiation used in the diagnosis and treatment of a specific disease, organ or system with the disease, organ or system.
Classify material on non-ionizing radiation in WB or other appropriate numbers.

Reference Works. General Works

WN 1

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 WN 22. Classify other serials issued by societies in W1. For academies and institutes, see WN 23-24.

WN 5

Collected works by several authors

WN 7

Collected works by individual authors

WN 9

Addresses. Essays. Lectures

WN 11

History (Table-G)

WN 11.1

General coverage (Not Table-G)

WN 13

Dictionaries. Encyclopedias
(Monographs and Serials)

WN 15

Classification. Terminology
(Monographs and Serials)

WN 16

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

WN 16.1

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

WN 17

Atlases. Pictorial works

Classify atlases limited to a particular radiological subject here also.

WN 18

Education

Classify here works about education.

WN 18.2

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.

WN 19

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

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

WN 19.1

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

WN 20

Research (General)

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

WN 21

Radiology as a profession. Ethics. Peer review

WN 21.5

Allied health personnel. Allied health occupations

WN 22

Directories (Table-G)
(Monographs and Serials)

WN 22.1

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

WN 23

Collective radiological laboratories, academies, institutes, etc.

WN 24

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

WN 25

Laboratory manuals. Technique

[WN 26]

[This number not used]

Classify works on equipment in WN 150; catalogs of equipment in W 26.

WN 26.5

Informatics. Electronic data processing. Computers (General)

Classify works on use for special subjects by subject.

WN 27

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

WN 27.1

General coverage (Not Table-G)

WN 28

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

WN 28.5

Collective museums, exhibitions, etc

WN 28.6

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

WN 32

Laws (Table-G)
(Monographs and Serials)

WN 32.1

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

WN 33

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

WN 33.1

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

WN 39

Handbooks. Resource guides
(Monographs and Serials)

WN 100

Radiation (General or not elsewhere classified)

Classify works on both radiology and radiation here. Classify works on radiology alone in WN 21.

WN 105

Ionizing radiation

WN 110

Health physics

Include here works on the physics of radiation and nuclear medicine.

WN 150

Equipment and supplies

Classify catalogs in W 26.

WN 160

Technology. Contrast media (General or not elsewhere classified)

Diagnostic Imaging

Classify works on diagnosis of a specific disease with the disease. Classify works on examination of a system, region or organ with the specific area.

WN 180

Diagnostic imaging (General or not elsewhere classified)

Classify pediatric diagnostic imaging in WN 240.

WN 182

Computer-assisted image interpretation

WN 185

Magnetic resonance imaging

WN 190

Molecular imaging

WN 195

Optical imaging

WN 200

Radiography (General or not elsewhere classified)

Classify dental radiography in WN 230. Classify pediatric radiography in WN 240.

WN 202

Interventional radiography

WN 203

Radionuclide imaging

WN 205

Thermography

WN 206

Tomography

WN 208

Ultrasonography

WN 210

Foreign body imaging

WN 220

Fluoroscopy

WN 230

Dental diagnostic imaging (General or not elsewhere classified)

Classify pediatric dental diagnostic imaging in WN 240.

WN 240

Pediatric diagnostic imaging (General or not elsewhere classified)

Classify works on specific sites or diseases with the site or disease. Classify works on specific imaging techniques with the technique.

Radiotherapy

WN 250

General works

Classify here works focusing on general aspects of radiotherapy. Classify works focusing on treatment of neoplasms in QZ 269. Classify works on ionizing radiation used in the therapy of a specific disease, organ or system with the disease, organ or system.

WN 250.5

Special types, A-Z

WN 250.5.B7

Brachytherapy

WN 250.5.H4

Heavy ion radiotherapy

WN 250.5.P7

Proton therapy

WN 250.5.R15

Radiosurgery

WN 250.5.R2

Radiotherapy, Computer-assisted

WN 250.5.R3

Radiotherapy, High-energy

WN 250.5.X7

X-ray therapy

WN 250.6

Radiotherapy dosage

[WN 300]

[This number not used]

Classify works on adverse effects of radium and radon in WN 610-615; Classify works on diagnostic use of radium and radon in WN 445.

[WN 340]

[This number not used]

Classify works on therapeutic use of radium and radon in WN 450.

[WN 415]

[This number not used]

Classify works on nuclear physics in QC.

[WN 420]

[This number not used]

Classify works on medical use of radioisotopes and radioactive elements in WN 440-450. Classify works on adverse effects of radioisotopes and radioactive elements in WN 610-615 .

Nuclear Medicine

WN 440

Nuclear medicine

Classify works on nuclear medicine as a profession in WN 21.

WN 445

Diagnostic methods

Classify works on radionuclide imaging in WN 203.

WN 450

Therapeutics

Radiologic Health

WN 600

Radiologic health (General or not elsewhere classified)

Classify here works on general effects of ionizing radiation on humans. Classify works on the effects of non-ionizing radiation on humans in QT 162.U4.

WN 610

Radiation injuries

Classify general works on radiation-induced abnormalities in QS 681. Classify works on radiation effects on plants in QK 757.

WN 612

Radioactive food contamination

Classify laws and discussion of laws related to radioactive contamination of foods or beverages in WA 697.

WN 615

Radioactive pollution and pollutants (General)

Classify here general works on radioactive hazard release. Classify works primarily on radiation injuries in WN 610. Classify works on non-radioactive pollution in WA 754 for general air pollution; in WA 450 for industrial air pollution; in WA 785 for soil pollution; and WA 689 for water pollution.

WN 620

Experimental radiation injuries

[WN 630]

[This number not used]

Classify works on radiation effects on plants in QK 757.

WN 650

Radiation protection

Cf. WA 788 Industrial wastes. Classify works on protection from cosmic radiation in space in WD 760.

WN 660

Radiometry

WN 665

Radiation dosage