5.2.8.2 Concept Descriptor and Coded With Equivalents
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#### 5.2.8.2 Concept Descriptor and Coded With Equivalents

Single values of Data Type CD (Concept Descriptor) or CE (Coded With Equivalents) are specified in the template tables with the triplet notation specified in PS3.16:

- (CodeValue, Coding Scheme Designator, "Code Meaning")

The Coding Scheme Designator is a simple human readable identifier of the code system, and corresponds to the optional codeSystemName attribute of the CD or CE element. The CDA Specification requires the Code System OID to be encoded in the codeSystem attribute of the CD or CE element. The corresponding OID for each Coding Scheme Designator is provided in Annex 8 “Coding Schemes” in PS3.16. The Code Meaning is encoded in the displayName attribute of the CD or CE element.

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