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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
BUSINESSMAN
SCHOOL TEACHER
COMPUTER PROGRAMMER
DOCTOR
NURSE
BEAUTICIAN
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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