Classification-Schedules

Classification 2025 Summer Edition

Worldwide source of medical classification resources

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WK

Endocrine System

Schedule Contents

Reference Works. General Works Hormones. Hormone Therapy Thyroid Gland. Parathyroid Glands Pineal Gland Pituitary Gland Adrenal Glands Islets of Langerhans. Pancreatic Hormones. Diabetes Mellitus Gonadal Hormones

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.

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 90

General works

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

WK 100

Endocrine glands (General)

WK 102

Hormones and antagonists (General)

WK 105

Androgens. Androgen antagonists

WK 110

Estrogens. Estrogen antagonists

WK 112

Estrogen replacement therapy

WK 140

Endocrine system diseases (General)

Classify works on both the specialty and diseases in WK 90.

WK 145

Endocrine gland neoplasms (General or not elsewhere classified)

Classify works on neoplasms of specific glands by site.

WK 148

Endocrine surgical procedures

Hormones. Hormone Therapy

WK 150

Anabolic agents. Steroid hormones (General or not elsewhere classified)

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

WK 170

Gastrointestinal hormones

[WK 180]

[This number not used]

Classify renal hormones in WJ 301.

WK 185

Peptide hormones (General or not elsewhere classified)

[WK 187]

[This number not used]

WK 190

Hormone therapy (General)

Classify works on a specific condition or disorder with the condition or disorder.

Thyroid Gland. Parathyroid Glands

WK 200

General works

[WK 201]

[This number not used]

Classify works on the thyroid gland in WK 200.

WK 202

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

WK 220

Thyroid diseases (General or not elsewhere classified)

WK 250

Hypothyroidism (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]

[This number not used]

Classify works on hyperthyroidism in WK 265.

WK 270

Neoplasms

WK 280

Surgery

WK 300

Parathyroid glands

Pineal Gland

WK 350

Pineal gland

[WK 375]

[This number not used]

Classify carotid body in WL 102.9.

[WK 400]

[This number not used]

Classify works on the thymus gland in WH 710.

Pituitary Gland

WK 500

General works

[WK 501]

[This number not used]

Classify works on the pituitary gland in WK 500.

WK 502

Pituitary hormones

WK 510

Anterior pituitary gland

Include here works on the pituitary-adrenal system.

WK 515

Anterior pituitary gland hormones and antagonists

Include works on release and release inhibiting hormones.

WK 517

Growth hormone

WK 520

Posterior pituitary gland hormones and antagonists

Classify works on antidiuretic vasopressin in QV 160.

WK 550

Pituitary diseases

Include works on the diseases of the anterior and posterior pituitary glands here also.

WK 585

Pituitary neoplasms

Include works on neoplasms of the anterior and posterior pituitary glands here also.

WK 590

Pituitary gland surgery

Adrenal Glands

WK 700

General works

[WK 701]

[This number not used]

Classify works on the adrenal glands in WK 700.

[WK 702]

[This number not used]

Classify works on the physiology of the adrenal glands in WK 700.

WK 725

Adrenal medulla. Catecholamines

Classify works on levodopa in QV 80. Classify works on methyldopa in QV 151 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]

WK 760

Adrenal gland diseases

WK 765

Adrenal insufficiency

WK 770

Adrenocortical hyperfunction

WK 780

Adrenal gland neoplasms

WK 790

Adrenal gland surgery

Islets of Langerhans. Pancreatic Hormones. Diabetes Mellitus

WK 800

Islets of Langerhans. Pancreatic hormones

[WK 801]

[This number not used]

Classify works on the Islets of Langerhans or pancreatic hormones in WK 800.

[WK 802]

[This number not used]

Classify works on the Islets of Langerhans or pancreatic hormones in WK 800.

WK 810

Diabetes mellitus

WK 812

Diabetes mellitis, Type I

WK 815

Therapy

WK 818

Diet therapy

WK 819

Diabetic cooking and cookbooks

WK 820

Insulin therapy

[WK 825]

[This number not used]

Classify works on hypoglycemic agents in QV 205.

[WK 830]

[This number not used]

Classify works on diabetic coma in WK 835.5.C6; on diabetic ketoacidosis in WK 835.5.K4.

WK 835

Diabetes complications (General or not elsewhere classified)

Include here works on the co-occurrence of diabetes and other conditions. Classify works on diabetes in pregnancy in WQ 248.

WK 835.5

Specific complications, A-Z

WK 835.5.A5

Diabetic angiopathies

WK 835.5.C2

Diabetic cardiomyopathies

WK 835.5.C6

Diabetic coma

WK 835.5.D2

Diabesity

WK 835.5.F5

Diabetic foot

WK 835.5.K4

Diabetic ketoacidosis

WK 835.5.N3

Diabetic nephropathies

WK 835.5.N6

Diabetic neuropathies

WK 835.5.R3

Diabetic retinopathy

[WK 840]

[This number not used]

Classify works on the co-occurrence of diabetes and other conditions in WK 835.

WK 850

Diabetic patients' manuals. Self care. Popular works

[WK 870]

[This number not used]

Classify works on glycosuria in QU 260.5.G6.

WK 880

Hyperinsulinism, hyperglycemia, or hypoglycemia associated with diabetes mellitus

WK 885

Islets of Langerhans neoplasms

Gonadal Hormones

WK 900

Gonadal hormones (General)

Cf. WP 960 Testis; WP 320 Ovary; WK 105 Androgens; WK 110 Estrogens; WK 515 Pituitary gonadotropins; WK 925 Corpus luteum hormones.

[WK 920]

[This number not used]

Classify works on placental hormones in WQ 212.

WK 925

Corpus luteum hormones

WK 930

Gonadal steroid hormones

WK 932

Female gonadal steroid hormones

WK 933

Male gonadal steroid hormones

WK 935

Estradiol congeners

WK 940

Progesterone congeners

WK 945

Testicular hormones. Testosterone congeners