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Classification 2024 Winter Edition

Worldwide source of medical classification resources


Hemic and Lymphatic Systems

  • Classify general works on the hemic and lymphatic systems and their diseases in children in WS 300-305.
  • Classify works on hemic and lymphatic disease nursing and nursing of patients with specific hemic or lymphatic diseases in WY 152.5.

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

Hematology as a profession. Ethics. Peer review

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)

Blood banks (Table-G)

Classify works on blood banking in WH 460.    

General coverage (Not Table-G)

Laboratory manuals. Technique

Classify works on hematologic tests in QY 400-490.

Equipment and supplies

Classify catalogs in W 26.

Informatics. Electronic data processing. Computers (General)

Classify works on use for special subjects by subject.

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

General coverage (Not Table-G)

Individual hospitals, 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)

Blood (General or not elsewhere classified)

Classify works on hematology and hematologic diseases here. Classify works on hematologic diseases alone in WH 120.

Hematologic diseases (General or not elsewhere classified)

Hematopoietic system and hematopoiesis. Blood cells (General)

Classify material on blood chemical analysis in QY 450.



Classify works on neonatal anemia in WS 420; on splenic anemia in WH 600.

Hypochromic anemia

Macrocytic anemia

Hemolytic anemia

Classify works on favism in WA 700; on hemoglobinuria in WJ 344; on kernicterus in WL 362.

Sickle cell anemia

Aplastic anemia

Polycythemia. Polycythemia vera

Hemeproteins. Hematoporphyrins. Heme

Leukocytes. Leukocyte disorders (General)


Classify works on disorders of lymphocytes in WH 200.  


Lymphoid  leukemia

Myeloid  leukemia

Blood platelets


Physiology of blood coagulation. Blood coagulation factors

Classify works on blood coagulation disorders in WH 322-325.

Fibrinolysis and associated blood proteins

Classify general works on blood proteins in WH 410.  

Hemorrhagic disorders (General)

Classify works on blood platelet disorders in WH 300.

[This number not used]

Classify works on purpura in WH 322.

[This number not used]

Classify works on thrombocytopenic purpura in WH 322.

[This number not used]

Classify works on hyperglobulinemic purpura in WH 322.

Blood coagulation disorders (General)

Hemophilia. Hemarthrosis

Bone marrow. Bone marrow cells

Cf. WH 175  Anemias; WH 180  Polycythemia vera.

Bone marrow transplantation

Hematopoietic stem cells.  Hematopoietic stem cell transplantation

Bone marrow diseases

Plasma. Serum. Blood proteins. Blood protein disorders

Classify works on blood chemical analysis in QY 450-490; on inborn errors of protein metabolism in QU 265. Cf. WH 540  Multiple myeloma. Classify blood proteins associated with fibrinolysis in WH 311.  

Blood group antigens. Blood group incompatibility (General)

Classify works on blood typing in QY 415; on forensic examination in W 791.

Rh-Hr blood group system. Fetal erythroblastosis

Classify works on kernicterus in WL 362.

Blood substitutes

Blood banking

Classify material on blood banks in WH 24.5; on blood transfusion in WB 356.

Blood donation. Blood donors

Hematologic neoplasms (General)

Classify works on hematologic neoplasms in general here. Classify bone marrow neoplasms in WH 385.   

Hodgkin disease


Classify here works which deal collectively with Leukemia, Hodgkin's disease, and/or Lymphoma.

Plasma cell neoplasms


Mononuclear phagocyte system

Lymphatic system

Lymphatic diseases (General)