The value of @code shall be drawn from value set 2.16.840.1.113883.1.11.16040 EntityCode (DYNAMIC)
or
@code shall be "see example "
or
@code shall be "119376003"
@codeSystem shall be "2.16.840.1.113883.6.96"
@displayName shall be "Tissue, unspecified"
@codeSystemName shall be "SNOMED-CT"
or
@code shall be "TISS"
@codeSystem shall be "2.16.840.1.113883.5.129"
@codeSystemName shall be "HL7"
Example
example for PathLex
<playingEntity> <!-- Need codes in PathLex for "part obtained by e.g.biopsy" --> <codecode="theCode"codeSystem="1.3.6.1.4.1.19376.1.8.2.1"displayName="part collected by e.g.biopsy"codeSystemName="PathLex"/></playingEntity>