Systematized Nomenclature of Medicine
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The Systematized Nomenclature of Medicine (SNOMED) is a multiaxial, hierarchical classification system. As in any such system, a disease may be located in a body organ which results in a code in a topography axis and may lead to morphological alterations represented by a morphology code.
Axes
There are 11 axes. The axes and some examples are provided below:
T (Topography) -- Anatomic terms
M (Morphology) -- Changes found in cells, tissues and organs
- (M-40000) Inflammation
- (M-44000) Granuloma
- (M-54700) Infarcted
- (M-54701) Microscopic infarct
For the Morphology axis, SNOMED has agreed to use the same codes defined by International Classification of Diseases for Oncology. Additional examples on topology are provided on that page.
L (Living organisms) -- Bacteria and viruses
- (L-21801) Mycobacterium tuberculosis
- (L-25116) Streptococcus pneumoniae
C (Chemical) -- Drugs
F (Function) -- Signs and symptoms
- (F-03003) Fever
J (Occupation) -- Terms that describe the occupation
D (Diagnosis) -- Diagnostic terms
- (D-13510) Pneumococcal pneumonia
- (D-14800) Tuberculosis
- (D3-15000) Myocardial infarction
P (Procedure) -- Administrative, diagnostic and therapeutic procedures
A (Physical agents, forces, activities) -- Devices and activities associated with the disease
S (Social context) -- Social conditions and important relationships in medicine
- (S-10120) Mother
G (General) -- Syntactic linkages and qualifiers
See also
External links
- Official page at snomed.org
- Studies of the formal structure of SNOMED CT at buffalo.edu
- Browser at vetmed.vt.edu
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
