PSN
calcium carbonate 750 MG Chewing Gum
Prescribable Name
Synonym of another TTY, given for clarity and for display purposes in electronic prescribing applications. Only one PSN per concept.
The product Alka-seltzer Heartburn Relief (NDC 0280-0002) is cross-mapped to the RxNorm terminology system to ensure clinical interoperability. This formulation is linked to a unique clinical concept (RxCUI 2281777). By anchoring Bayer Healthcare Llc.'s product data to these standardized identifiers, healthcare systems can maintain accurate medication records, safely automate e-prescribing, and streamline pharmacy workflows.
The following clinical concept cards detail the semantic term types (TTY), prescribable names, and synonymous clinical strings as defined by the National Library of Medicine (NLM).
Semantic Clinical Drug: The clinical gold standard representing the Generic Name + Strength + Dosage Form.
RxNorm is a normalized naming system developed by the National Library of Medicine (NLM) to bridge the gap between different drug terminologies. By mapping NDC 0280-0002 to RxCUI 2281777, this page provides the standardized "source of truth" required for hospital systems, e-prescribing software, and pharmacy benefit managers (PBMs) to communicate without errors.
The clinical cards above utilize specific Term Types (TTY) to define the granularity of the drug concept:
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