LC Classification: R

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

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)