list of mesh codes 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). medical subject headingscontentdescriptionmedical subject headings.data typescapturedcontrolled vocabularycontactresearch centerunited states national library of medicinenational center for biotechnology informationlaboratoryunited states national library of medicineauthorsf b rogersprimary citationpmid 13982385 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 2006 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 b – organisms b01 – animals b02 – algae b03 – bacteria b04 – viruses b05 – fungi b06 – plants b07 – archaea b08 – mesomycetozoea 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 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 – biological sciences g01 – biological sciences g02 – health occupations g03 – environment and public health g04 – biological phenomena, cell phenomena, and immunity g05 – genetic processes g06 – biochemical phenomena, metabolism, and nutrition g07 – physiological processes g08 – reproductive and urinary physiology g09 – circulatory and respiratory physiology g10 – digestive, oral, and skin physiology g11 – musculoskeletal, neural, and ocular physiology g12 – chemical and pharmacologic phenomena g13 – genetic phenomena g14 – genetic structures h – physical sciences h01 – natural sciences 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 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 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