Generated Narrative: CodeSystem GCRT This case-sensitive code system http://terminology.hl7.org/CodeSystem/GCRT defines codes, but no codes are represented here
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GCRT Route of Administration Code (1-character) a one-character alphanumeric column that provides the normal site or method by which a drug is administered, such as oral, injection, or topical. A GCRT is associated to each GCN\_SEQNO to identify that component of the generic drug formulation.