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Classification 2024 Winter Edition

Worldwide source of medical classification resources


Musculoskeletal System

  • Classify general works on the musculoskeletal system and its diseases in children in WS 270-275.
  • Classify works on musculoskeletal disease nursing and nursing of patients with specific musculoskeletal diseases in WY 157.6.

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 WE 22. Classify other serials issued by societies in W1. For academies and institutes, see WE 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 orthopedics (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.

Orthopedics, osteology or rheumatology as a profession. Ethics. Peer review

Classify works on the specialty alone here. Classify works on both the specialty and diseases in WE 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)

Bone banks (Table-G)

General coverage (Not Table-G)

Laboratory manuals. Technique

Equipment and supplies

Classify catalogs in W 26. Classify works on bone plates and screws in WE 185.

Informatics. Electronic data processing. Computers (General)

Classify works on use for special subjects by subject.

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

General coverage (Not Table-G)

Individual hospitals, clinics, dispensaries, 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 both the specialty and diseases here. Classify works on the specialty only in WE 21. Classify works on diseases only in WE 140.

Anatomy. Histology. Embryology (General)

Physiology. Biochemistry

Classify works on muscle physiology only in WE 504.

Movement. Locomotion

Proprioception. Psychomotor performance

Diseases (General)

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

Examination. Diagnosis. Diagnostic methods. Monitoring

Classify material on a specific site with the site.

Orthopedic procedures (General or not elsewhere classified)

Classify works on orthopedics as a profession in WE 21.


Classify here all works on amputation regardless of site.

Artificial limbs

Classify catalogs in W 26.

Dislocations. Sprains

Fractures (General or not elsewhere classified)

For osteoporotic fractures see WE 250.

Open fractures

Fracture fixation

Bone transplantation

Bone and bones (General)

Include works on structure and function of bones in general. Classify works on specific bones with part or system involved.

Bone physiology

Bone diseases (General or not elsewhere classified)

Classify works on eosinophilic granuloma in WH 650.

Congenital abnormalities. Disorders of metabolism, growth, or development

Classify works on abnormalities of specific bones or regions with the bone or region.

Osteomyelitis and other infectious bone diseases

Osteoarticular tuberculosis


Classify works on neoplasms of specific bones by site.

Osteochondritis. Osteochondrosis

Joints. Ligaments. Synovial membranes and fluid. Cartilage

Classify works on specific sites by site.

Joint diseases


Classify arthroplasty of a specific joint with the joint.


Rheumatoid arthritis. Ankylosis

Cf. WU 140 Temporomandibular joint ankylosis; WE 725 Ankylosing spondylitis.

Degenerative joint disease. Osteoarthritis


Synovial bursa. Bursitis

Muscles (General). Fascia

Include works on structure and function. Classify works on diseases in general in WE 550. Classify works on specific muscles with part or system involved.

Muscle physiology

Trigger points

Rheumatic diseases


Classify works on muscle contraction in WE 500; on muscle cramp and myoclonus in WE 550.

Muscular diseases. Neuromuscular diseases (General or not elsewhere classified)

Classify works on neuro-ophthalmic conditions in WW 400-WW 460.

Amyotrophic lateral sclerosis

Myasthenia gravis

Muscular dystrophies



Head and neck

Head. Face

Cf. WU 101-102 works for the dentist. Classify works on the jaw in WU; on the temporal bone written for the otolaryngologist in WV 201.


Head and neck injuries

Classify works on bone and soft tissue injuries of the face and skull here; classify works which include brain injury at WL 354; classify works on neck injuries alone at WE 708.

Head and neck neoplasms

Classify here works on the head and neck or the skull.


Torso (General or not elsewhere classified)


Classify works on anatomy and physiology here as well as those on bone disorders and malformations. Classify works on organs or systems within the thoracic cavity, as well as thoracic surgical procedures in WF. Classify works on thoracic surgery as a profession in WO 21. 


Spine. Vertebrae

Cf. Spinal cord WL 400-405; classify works on lumbar and sacral vertebrae in WE 750.

Spinal diseases

Cf. Spinal cord diseases WL 402-403. Classify works on spinal tuberculosis in WE 253.

Congenital abnormalities

Spinal curvatures

Spinal injuries

Intervertebral discs

Lumbosacral region. Sacrococcygeal region

Low back pain. Sciatica


Classify works on the abdominal cavity in WI 900.


Classify works on gynecological aspects of the pelvis in WP 155.


Upper extremity

Shoulder. Upper arm

Shoulder injuries


Elbow. Forearm

Wrist. Hand

Hand infections. Hand injuries

Hand deformities


Lower extremity

Classify works on varicose veins in WG 620.

Hip. Upper leg

Hip joint

Hip replacement

Femur. Thigh

Knee. Lower leg

Knee and knee joint injuries

Knee replacement

Ankle. Foot. Toes

Ankle injuries. Foot injuries. Toe injuries

Foot deformities