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LC Classification: R

A breakdown of the Library of Congress Classification system

R - Overview

R - Medicine (General)

RA - Public aspects of medicine

RB - Pathology

RC - Internal medicine

RD - Surgery

RE - Ophthalmology

RF - Otorhinolaryngology

RG - Gynecology and obstetrics

RJ - Pediatrics

RK - Dentistry

RL - Dermatology

RM - Therapeutics. Pharmacology

RS - Pharmacy and materia medica

RT - Nursing

RV - Botanic, Thomsonian, and eclectic medicine

RX - Homeopathy

RZ - Other systems of medicine

For Further Details

For more detailed information, visit the Library of Congress Classification Outline.

R - Medicine

R - Medicine (General)

  • R131-687 History of medicine. Medical expeditions
  • R690-697 Medicine as a profession. Physicians
  • R723-726 Medical philosophy. Medical ethics
  • R728-733 Practice of medicine
  • R735-854 Medical education. Medical schools. Research

RA - Public aspects of medicine

  • RA1-418.5 Medicine and the state
  • RA421-790.95 Public health. Hygiene. Preventive medicine
    • RA565-600 Environmental health
    • RA604-618 Parks, public baths, public carriers, buildings, etc.
    • RA619-637 Disposal of the dead. Undertaking. Burial. Cremation. Cemeteries
    • RA639-642 Transmission of disease
    • RA648.5-767 Epidemics. Epidemiology. Quarantine. Disinfection
  • RA791-954 Medical geography. Climatology. Meteorology
  • RA960-1000.5 Medical centers. Hospitals. Dispensaries. Clinics
  • RA1001-1171 Forensic medicine. Medical jurisprudence. Legal medicine
  • RA1190-1270 Toxicology. Poisons

RB - Pathology

  • RB37-56.5 Clinical pathology. Laboratory technique
  • RB127-150 Manifestations of disease
  • RB151-214 Theories of disease. Etiology. Pathogenesis

RC - Internal medicine

  • RC71-78.7 Examination. Diagnosis
  • RC109-216 Infectious and parasitic diseases
  • RC346-429 Neurology. Diseases of the nervous system (Including speech disorders)
  • RC435-571 Psychiatry
  • RC500-510 Psychoanalysis
  • RC554-569.5 Personality disorders. Behavior problems
  • RC581-951 Specialties of internal medicine
    • RC581-607 Immunological diseases. Allergy
    • RC666-701 Diseases of the circulatory (Cardiovascular) system
    • RC705-779 Diseases of the respiratory system
  • RC952-1245 Special situations and conditions
    • RC952-954.6 Geriatrics
    • RC970-986 Military medicine. Naval medicine
    • RC1200-1245 Sports medicine

RD - Surgery

  • RD63-76 Operating rooms and theaters. Instruments, apparatus, and appliances
  • RD78.3-87.3 Anesthesiology
  • RD92-97.8 Emergency surgery. Wounds and injuries
  • RD101-104 Fractures (General)
  • RD118-120.5 Plastic surgery. Reparative surgery
  • RD520-599.5 Surgery by region, system, or organ
  • RD701-811 Orthopedic surgery

RE - Ophthalmology

  • RE75-79 Examination. Diagnosis
  • RE80-87 Eye surgery
  • RE91-912 Particular diseases of the eye
  • RE918-921 Color vision tests, charts, etc.
  • RE939.2-981 Optometry. Opticians. Eyeglasses

RF - Otorhinolaryngology

  • RF110-320 Otology. Diseases of the ear
  • RF341-437 Rhinology. Diseases of the nose, accessory sinuses, and nasopharynx
  • RF460-547 Laryngology. Diseases of the throat

RG - Gynecology and obstetrics

  • RG133-137.6 Conception. Artificial insemination. Contraception
  • RG159-208 Functional and systemic disorders
  • RG211-483 Abnormalities and diseases of the female genital organs
  • RG500-991 Obstetrics
    • RG551-591 Pregnancy
    • RG600-650 The embryo and fetus
    • RG651-721 Labor. Parturition
    • RG940-991 Maternal care. Prenatal care services

RJ - Pediatrics

  • RJ101-103 Child health. Child health services
  • RJ240 Immunization of children (General)
  • RJ251-325 Newborn infants (Including physiology, care, treatment, diseases)
  • RJ370-550 Diseases of children and adolescents
    • RJ499-507 Mental disorders. Child psychiatry

RK - Dentistry

  • RK58-59.3 Practice of dentistry
  • RK301-493 Oral and dental medicine. Pathology. Diseases
  • RK520-528 Orthodontics
  • RK529-535 Oral surgery
  • RK641-667 Prosthetic dentistry. Prosthodontics

RL - Dermatology

  • RL87-94 Care and hygiene
  • RL110-120 Therapeutics
  • RL130-169 Diseases of the glands, hair, nails
  • RL201-331 Hyperemias, inflammations, and infections of the skin
  • RL675 Chronic ulcer of the skin. Bedsores
  • RL701-751 Diseases due to psychosomatic and nerve disorders
  • RL760-785 Diseases due to parasites
  • RL790 Pigmentations. Albinism

RM - Therapeutics. Pharmacology

  • RM139 Prescription writing
  • RM147-180 Administration of drugs and other therapeutic agents
  • RM182-190 Other therapeutic procedures (Including acupuncture, pneumatic aspiration, spinal puncture, pericardial puncture)
  • RM214-258 Diet therapy. Dietary cookbooks
  • RM260-263 Chemotherapy
  • RM265-267 Antiobiotic therapy. Antiobiotics
  • RM300-666 Drugs and their actions
  • RM695-893 Physical medicine. Physical therapy (Including massage, exercise, occupational therapy, etc.)

RS - Pharmacy and materia medica

  • RS125-131.9 Formularies. Collected prescriptions
  • RS139-141.9 Pharmacopoeias
  • RS153-441 Materia medica
    • RS192-199 Pharmaceutical technology
    • RS250-252 Commercial preparations. Patent medicines
    • RS400-431 Pharmaceutical chemistry

RT - Nursing

  • RT89-120 Specialties in nursing

RV - Botanic, Thomsonian, and eclectic medicine

RX - Homeopathy

  • RX211-581 Diseases, treatment, etc.
  • RX601-675 Materia medica and therapeutics

RZ - Other systems of medicine

  • RZ201-275 Chiropractic
  • RZ301-397.5 Osteopathy
  • RZ400-408 Mental healing
  • RZ409.7-999 Miscellaneous systems and treatments (Including magnetotherapy, mesmerism, naturopathy, organomic medicine, phrenology, radiesthesia)