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NLM Classification 2015: Worldwide source of medical library classification


Urogenital System

Classify general works on the urogenital system and its diseases in children in WS 320-322.

  • Classify urologic nursing in WY 164.
  • Classify works on nursing of patients with specific diseases in WY numbers also.


  WJ 1-190 Reference Works. General Works
      WJ 140-160 Urologic Diseases
      WJ 166-190 Therapeutics. Gynecological Urology
  WJ 300-378 Kidney
  WJ 400-600 Ureter. Bladder. Urethra
  WJ 700-875 Male Genitalia

Reference Works. General Works

WJ 1
Organizations. Societies (General or not elsewhere classified) (Cutter from name of organization or society)
(Used for both monographs and serials)
Includes membership lists issued serially or separately. Classify directories in WJ 22. Classify annual reports, journals, etc. in W1. For academies and institutes, see WJ 23-24.
Collected works (General)
WJ 5
By several authors
WJ 7
By individual authors
WJ 9
Addresses. Essays. Lectures (General)
WJ 11
History (Table G)
WJ 11.1
General coverage (Not Table G)
WJ 13
Dictionaries. Encyclopedias
(Used for both monographs and serials)
WJ 15
Classification. Terminology
(Used for both monographs and serials)
WJ 16
Tables. Statistics
(Used for both monographs and serials)
WJ 17
Atlases. Pictorial works
Classify atlases limited to a particular part of the system here also.
WJ 18
Classify here works about education.
WJ 18.2
Educational materials
(Used for both 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.
WJ 19
Schools, departments, and faculties of urology (Table G)
(Used for both monographs and serials)
Include here works on the history of schools. Classify courses of study, college catalogs, etc., in W 19.5.
WJ 19.1
General coverage (Not Table G)
(Used for both monographs and serials)
WJ 20
Research (General)
Classify here works about research in general. Classify works about research on a particular subject by subject.
WJ 21
Urology as a profession. Ethics. Peer review
WJ 22
Directories (Table G)
(Used for both monographs and serials)
WJ 22.1
General coverage (Not Table G)
(Used for both monographs and serials)
Laboratories, academies, institutes, sperm banks, etc.
WJ 23
WJ 24
Individual (Cutter from name of institution)
WJ 25
Laboratory manuals. Technique
WJ 26
Equipment and supplies
Classify catalogs in W 26.
WJ 26.5
Informatics. Automatic data processing. Computers (General)
Classify works on use for special subjects by subject.
Hospitals, clinics, dispensaries, etc.
WJ 27
Collective (Table G)
WJ 27.1
General coverage (Not Table G)
WJ 28
Individual (Cutter from name of hospital) (Table G)
Museums, exhibitions, etc.
WJ 28.5
WJ 28.6
Individual (Cutter from name of museum, etc.)
WJ 32
Laws (Table G)
(Used for both monographs and serials)
WJ 32.1
General coverage (Not Table G)
(Used for both monographs and serials)
WJ 33
Discussion of law (Table G)
(Used for both monographs and serials)
WJ 33.1
General coverage (Not Table G)
(Used for both monographs and serials)
WJ 39
Handbooks. Resource guides
(Used for both monographs and serials)
WJ 100
General works
Classify works on specialty and on the specialty and diseases here. Classify works on diseases alone in WJ 140.
WJ 101
Anatomy. Histology. Embryology. Abnormalities
WJ 102
Physiology. Biochemistry

Urologic Diseases

WJ 140
Urologic diseases (General)
General and male only. Cf. WJ 190 Gynecologic urology.
WJ 141
Examination. Diagnosis. Diagnostic methods. Monitoring(General)
Classify material on examination of single organ with the organ. Classify works on urinalysis in QY 185.
WJ 146
Urination and urination disorders
WJ 151
Urinary tract infections
WJ 160
Neoplasms (General)

Therapeutics. Gynecological Urology

WJ 166
Urologic therapeutics
Classify works on the pharmacodynamics of diuretics in QV 160; on the pharmacodynamics of anti-infective agents in QV 243.
WJ 168
Urologic surgery
WJ 190
Gynecologic urology
Classify works that include obstetrical urology here. Classify those on urologic diseases in pregnancy (when treated separately) in WQ 260. Cf. WP 180 Vesicovaginal fistula. For surgical procedures, see WJ 168.


WJ 300
General works
Classify works on kidney functions tests in QY 175; on urinalysis in QY 185.
WJ 301
Anatomy. Histology. Embryology. Physiology. Abnormalities
WJ 302
Diagnosis. Radiography. Pyelography. Monitoring
WJ 303
Urinary secretion. Anuria (General)
WJ 340
WJ 342
Kidney failure. Crush syndrome
WJ 343
Proteinuria. Albuminuria. Renal aminoacidurias
WJ 344
Hemoglobinuria. Hematuria. Myoglobinuria
WJ 348
WJ 351
(e.g., Pyelitis, Pyelonephritis)
WJ 353
WJ 356
Kidney calculi. Nephrocalcinosis
WJ 358
Neoplasms. Cystic kidney
WJ 368
Surgery. Kidney transplantation
WJ 378
Artificial kidney. Renal dialysis. Peritoneal dialysis
Classify works on renal dialysis and peritoneal dialysis used in treatment of diseases of other parts of the body with the disease or part.

Ureter. Bladder. Urethra

WJ 400
WJ 500
Bladder. Cystoscopy. Cystoscopic surgery
Classify works on vesicovaginal fistula in WP 180.
WJ 504
WJ 600

Male Genitalia

WJ 700
General works
Classify here also works which include both male and female genitalia.
WJ 701
Anatomy. Histology. Embryology
WJ 702
WJ 706
Neoplasms (General)
WJ 709
Impotence. Infertility
Cf. WP 570 for general works on infertility.
WJ 710
Male contraception
Classify works on contraception generally and female contraception in WP 630. Classify works on sociological and religious aspects in HQ 763-766.5. Classify works on contraceptive drugs in QV 177.
WJ 712
Disorders of sex development
WJ 750
Prostate. Seminal vesicles. Ejaculatory ducts
WJ 752
Prostate diseases
WJ 762
WJ 768
Surgery (General)
WJ 780
Vas deferens. Spermatic cord
WJ 790
Penis. Foreskin. Circumcision
WJ 800
Scrotum. Scrotal contents. Epididymis. Tunica vaginalis
WJ 830
WJ 834
Spermatogenesis. Spermatozoa
Cf. QY 190 Semen (clinical analysis).
WJ 840
Cryptorchidism. Eunuchism and related disorders
WJ 858
WJ 868
Surgery. Castration
WJ 875
Testicular hormones and antagonists
Classify general works on anabolic agents in WK 150.