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Classification 2025 Winter Edition

Worldwide source of medical classification resources
QS QT QU QV QW QX QY QZ W WA WB WC WD WE WF WG WH WI WJ WK WL WM WN WO WP WQ WR WS WT WU WV WW WX WY WZ

WK

Endocrine System

Schedule Contents

Reference Works. General Works Hormones. Hormone Therapy Thyroid Gland. Parathyroid Glands Pineal Gland. Thymus Gland Pituitary Gland Adrenal Glands Islets of Langerhans Gonads

  • Classify general works on the endocrine system and its diseases in children in WS 330-335.
  • Classify works on endocrine disease nursing and nursing of patients with specific endocrine diseases in WY 155.

Reference Works. General Works
WK 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 WK 22. Classify other serials issued by societies in W1. For academies and institutes, see WK 23-24.
WK 5

Collected works by several authors

WK 7

Collected works by individual authors

WK 9

Addresses. Essays. Lectures

WK 11

History (Table-G)

WK 11.1

General coverage (Not Table-G)

WK 13

Dictionaries. Encyclopedias
(Monographs and Serials)

WK 15

Classification. Terminology
(Monographs and Serials)

WK 16

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

WK 16.1

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

WK 17

Atlas. Pictorial works

Classify atlases limited to a particular part of the system here also.
WK 18

Education

Classify here works about education.
WK 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.
WK 19

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

Include here works on the history of schools. Classify courses of study, college catalogs, etc., in W 19.5.
WK 19.1

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

WK 20

Research (General)

Classify here works about research in general. Classify works about research on a particular subject by subject.
WK 21

Endocrinology as a profession. Ethics. Peer review

Classify works on the specialty alone here. Classify works on both the specialty and diseases in WK 100.
WK 22

Directories (Table-G)
(Monographs and Serials)

WK 22.1

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

WK 23

Collective laboratories, academies, institutes, etc.

WK 24

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

WK 25

Laboratory manuals. Technique. Experimental studies (General)

WK 26

Equipment and supplies

Classify catalogs in W 26.
WK 26.5

Informatics. Electronic data processing. Computers (General)

Classify works on use for special subjects by subject.
WK 27

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

WK 27.1

General coverage (Not Table-G)

WK 28

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

WK 28.5

Collective museums, exhibitions, etc.

WK 28.6

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

WK 32

Laws (Table-G)
(Monographs and Serials)

WK 32.1

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

WK 33

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

WK 33.1

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

WK 39

Handbooks. Resource guides
(Monographs and Serials)

WK 100

Endocrine glands (General)

Classify works on the specialty and on both the specialty and diseases here. Classify works on diseases alone in WK 140.
WK 102

Physiology. Biochemistry. Hormones and antagonists (General)

WK 140

Endocrine diseases (General)

Classify works on both the specialty and diseases in WK 100.
WK 145

Neoplasms (General or not elsewhere classified)

Classify works on neoplasms of specific glands by site.
WK 148

Surgery (General)

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Hormones. Hormone Therapy
WK 150

Steroid hormones (General or not elsewhere classified)

Classify works on hormones of a particular gland with the gland.
WK 170

Gastrointestinal hormones

WK 180

Renal hormones

WK 185

Other hormones

[WK 187]

[This number not used]

Classify with hormones in WK 150-190, etc.
WK 190

Hormone therapy (General)

Classify works on a specific condition or disorder with the condition or disorder.
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Thyroid Gland. Parathyroid Glands
WK 200

General works

WK 201

Anatomy. Histology. Embryology. Abnormalities

WK 202

Physiology. Biochemistry (including iodine metabolism). Thyroid hormones and antagonists

WK 250

Hypothyroidism and related disorders (General or not elsewhere classified)

WK 252

Congenital hypothyroidism. Myxedema

WK 259

Goiter

Classify here works on goiter in general and on specific goiters, except exophthalmic goiter which is classed in WK 265.
WK 265

Hyperthyroidism. Thyrotoxicosis. Exophthalmic goiter

WK 267

Medical therapy

WK 270

Neoplasms

WK 280

Surgery

WK 300

Parathyroid glands

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Pineal Gland. Thymus Gland
WK 350

Pineal gland

[WK 375]

[This number not used]

Classify carotid body in WL 102.9.
WK 400

Thymus gland

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Pituitary Gland
WK 500

General works

WK 501

Anatomy. Histology. Embryology

WK 502

Physiology. Biochemistry

WK 510

Anterior pituitary gland (Adenohypophysis)

Include here works on the pituitary-adrenal system.
WK 515

Hormones and antagonists

Include works on release and release inhibiting hormones.
WK 520

Posterior pituitary gland (Neurohypophysis). Hormones and antagonists

Classify works on antidiuretic vasopressin in QV 160; on oxytocin in QV 173.
WK 550

Diseases

WK 585

Neoplasms

Include works on the anterior and posterior pituitary glands here also.
WK 590

Surgery

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Adrenal Glands
WK 700

General works

WK 701

Anatomy. Histology. Embryology. Abnormalities

WK 702

Physiology. Biochemistry

WK 725

Adrenal medulla. Epinephrine. Norepinephrine and other catecholamines

Classify works on methyldopa in QV 150 or with the disorder being treated.
WK 750

Adrenal cortex

Classify works on neoplasms in WK 780; on surgery, in WK 790; on the pituitary-adrenal system, in WK 510.
WK 755

Adrenal cortex hormones. Glucocorticoids (General or not elsewhere classified)

Classify works on glucocorticoids used as dermatologic agents in QV 60.
[WK 757]

[This number not used]

Classify with adrenal cortex hormones in WK 755.
WK 760

Diseases of the adrenal cortex

WK 765

Adrenal cortex hypofunction

WK 770

Adrenal cortex hyperfunction

WK 780

Neoplasms

WK 790

Surgery

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Islets of Langerhans
WK 800

General works

WK 801

Anatomy. Histology. Embryology

WK 802

Physiology. Biochemistry

WK 810

Diabetes mellitus

WK 815

Therapy

WK 818

Diet

WK 819

Diet lists. Diabetic cooking

WK 820

Insulins

WK 825

Other hypoglycemic agents

WK 830

Diabetic ketoacidosis. Diabetic coma

WK 835

Complications of diabetes

WK 840

Diabetes as a complication in other conditions

Classify works on diabetes in pregnancy in WQ 248.
WK 850

Diabetic patients' manuals. Self care

WK 870

Glycosurias

WK 880

Hyperinsulinism. Hyperglycemia. Hypoglycemia

WK 885

Neoplasms

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Gonads
WK 900

Gonads. Gonadal hormones (General)

Cf. WP 960 Testis; WP 320  Ovary; WJ 875  Androgens; WP 522  Estrogens; WK 515  Pituitary gonadotropins; WP 530  Corpus luteum hormones.
WK 920

Placental hormones