The SNOMED CT Compositional Grammar allows
| Gloss |
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| SpacePreSpace | truefalse |
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| t | SNOMED CT expressions |
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to be represented as a text string that can be carried in messages. For example, in
| Gloss |
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| SpacePreSpace | truefalse |
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| t | HL7 |
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version 3 messages SNOMED CT expressions can be placed in the 'code' property of the ConceptDescriptor (CD) data type (Release 2). The compositional grammar described in this document is intended to replace the
mechanism that formerly was in the CD data type (Release 1), and which was removed in Release 2.
In September 2009, the
| Gloss |
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| SpacePreSpace | truefalse |
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| t | HL7 |
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Version 3 Standard "Data Types - Abstract Specification, Release 2" was published for its fourth normative membership ballot. This revised standard defined what can be carried in the 'code' property of the CD data type as shown below in Table 1.
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