List of MeSH codes

The following is a list of the codes for MeSH (Medical Subject Headings), a comprehensive controlled vocabulary for the purpose of indexing journal articles and books in the life sciences. It is a product of the United States National Library of Medicine (NLM).

The prefixes (A01, etc.) are linked to more extensive sub-lists of codes; the medical terms are linked to articles on those topics.

The source for this content is the set of 2024 MeSH Trees from NLM.


 * A – Anatomy
 * A01 – body regions (74 articles)
 * A02 – musculoskeletal system (213 articles)
 * A03 – digestive system (98 articles)
 * A04 – respiratory system (46 articles)
 * A05 – urogenital system (87 articles)
 * A06 – endocrine system
 * A07 – cardiovascular system
 * A08 – nervous system
 * A09 – sense organs
 * A10 – tissues
 * A11 – cells
 * A12 – fluids and secretions
 * A13 – animal structures
 * A14 – stomatognathic system
 * A15 – hemic and immune systems
 * A16 – embryonic structures
 * A17 – integumentary system
 * A18 – plant structures
 * A19 – fungal structures
 * A20 – bacterial structures
 * A21 – viral structures
 * B – Organisms
 * B01 – eukaryota (animals, plants, fungi)
 * B02 – archaea
 * B03 – bacteria
 * B04 – viruses
 * B05 – organism forms
 * C – Diseases
 * C01 – bacterial infections and mycoses
 * C02 – virus diseases
 * C03 – parasitic diseases
 * C04 – neoplasms
 * C05 – musculoskeletal diseases
 * C06 – digestive system diseases
 * C07 – stomatognathic diseases
 * C08 – respiratory tract diseases
 * C09 – otorhinolaryngologic diseases
 * C10 – nervous system diseases
 * C11 – eye diseases
 * C12 – urologic and male genital diseases
 * C13 – female genital diseases and pregnancy complications
 * C14 – cardiovascular diseases
 * C15 – hemic and lymphatic diseases
 * C16 – congenital, hereditary, and neonatal diseases and abnormalities
 * C17 – skin and connective tissue diseases
 * C18 – nutritional and metabolic diseases
 * C19 – endocrine system diseases
 * C20 – immune system diseases
 * C21 – disorders of environmental origin
 * C22 – animal diseases
 * C23 – pathological conditions, signs and symptoms
 * C24 – occupational diseases
 * C25 – chemically induced disorders
 * C26 – wounds and injuries
 * D – Chemicals and Drugs
 * D01 – inorganic chemicals
 * D02 – organic chemicals
 * D03 – heterocyclic compounds
 * D04 – polycyclic compounds
 * D05 – macromolecular substances
 * D06 – hormones, hormone substitutes, and hormone antagonists
 * D07 – none (enzymes and coenzymes)
 * D08 – enzymes and coenzymes (carbohydrates)
 * D09 – carbohydrates (lipids)
 * D10 – lipids (amino acids, peptides, and proteins)
 * D11 – none (nucleic acids, nucleotides, and nucleosides)
 * D12 – amino acids, peptides, and proteins
 * D13 – nucleic acids, nucleotides, and nucleosides
 * D20 – complex mixtures
 * D23 – biological factors
 * D25 – biomedical and dental materials
 * D26 – pharmaceutical preparations
 * D27 – chemical actions and uses
 * E – Analytical, Diagnostic and Therapeutic Techniques and Equipment
 * E01 – diagnosis
 * E02 – therapeutics
 * E03 – anesthesia and analgesia
 * E04 – surgical procedures, operative
 * E05 – investigative techniques
 * E06 – dentistry
 * E07 – equipment and supplies
 * F – Psychiatry and Psychology
 * F01 – behavior and behavior mechanisms
 * F02 – psychological phenomena and processes
 * F03 – mental disorders
 * F04 – behavioral disciplines and activities
 * G – Phenomena and Processes
 * G01 – physical phenomena
 * G02 – chemical phenomena
 * G03 – metabolism
 * G04 – cell phenomena and immunity
 * G05 – genetic phenomena
 * G06 – microbiological phenomena
 * G07 – physiological processes
 * G08 – reproductive and urinary physiological phenomena
 * G09 – circulatory and respiratory physiological phenomena
 * G10 – digestive and oral physiological phenomena
 * G11 – musculoskeletal and neural physiological phenomena
 * G12 – immune system phenomena
 * G13 – integumentary system physiological phenomena
 * G14 – ocular physiological phenomena
 * G15 – plant physiological phenomena
 * G16 – biological phenomena
 * G17 – mathematical concepts
 * H – Disciplines and Occupations
 * H01 – natural science disciplines
 * H02 – health occupations
 * I – Anthropology, Education, Sociology and Social Phenomena
 * I01 – social sciences
 * I02 – education
 * I03 – human activities
 * J – Technology and Food and Beverages
 * J01 – technology, industry, and agriculture
 * J02 – food and beverages
 * J03 – non-medical public and private facilities
 * K – Humanities
 * K01 – humanities
 * L – Information Science
 * L01 – information science
 * M – Persons
 * M01 – persons
 * N – Health Care
 * N01 – population characteristics
 * N02 – health care facilities, manpower, and services
 * N03 – health care economics and organizations
 * N04 – health services administration
 * N05 – health care quality, access, and evaluation
 * N06 – environment and public health
 * V – Publication Characteristics
 * V01 – publication components (publication type)
 * V02 – publication formats (publication type)
 * V03 – study characteristics (publication type)
 * V04 – support of research
 * Z – Geographic Locations
 * Z01 – geographic locations