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Classification 2022 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 institutes, academies. Laboratories of experimental research

Individual institutes, academies. Laboratories of experimental research (Cutter from name of institution)

Blood banks (Table-G)

General coverage (Not Table-G)

Laboratory manuals. Technique

Classify works on laboratory examination of blood 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)

General works

Classify works on specialty and on the specialty and diseases here. Classify works on diseases alone in WH 120.

Hematologic diseases (General or not elsewhere classified)

Hematopoietic system and hematopoiesis. Developmental theories. 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; on blood group incompatibility in WH 420.

Hypochromic anemia

Macrocytic anemia. Pernicious anemia

Hemolytic anemia

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

Anemias of bone marrow dysfunction

Polycythemia. Polycythemia vera

Hemoglobin and other hemeproteins. Porphyrins (Associated with hemoglobin)

Classify general works on porphyrins in QU 110; on porphyria in QU 260.5.P6.

Leukocytes. Leukocyte disorders (General)


Blood platelets

Mechanism of blood coagulation. Hemostasis

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

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

Cf. WH 175 Anemias; WH 180 Polycythemia vera.

Bone marrow diseases

Fluid elements. 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.

Blood groups. 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.

Whole blood. Blood derivatives. Plasma substitutes. Blood expanders

Blood bank procedures

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

Hodgkin's disease

Hematologic neoplasms (General). Lymphoma

Classify works on hematologic neoplasms in general here. Classify here also works which deal collectively with Leukemia, Hodgkin's disease, and/or Lymphoma.

Plasma cell neoplasms


Reticuloendothelial system

Classify works on the lipoidoses alone in QU 260.5.L5.

Lymphatic system. Lymphatic diseases (General)

Classify works on cells in general in WH 140; on blood cells by type in the numbers provided above.