Representation of a clinical meaning using a combination of two or more concept identifiers is referred to as postcoordination.
Some clinical meanings may be represented in several different ways. SNOMED CT technical specifications include guidance for transforming logical expressions to a common canonical form .
SNOMED CT includes the following concepts:
SNOMED CT also includes a precoordinated concept for
71620000 |fracture of femur|. Therefore It is possible to represent the clinical meaning "fracture of femur" in different ways: