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"system": "http://loinc.org", "code": "13480-4", "display": "Sodium [Moles/volume] in Serum or Plasma"

If your lab uses a local code "NA-SER," you create a mapping table: Local Code NA-SER → LOINC 13480-4

A PDF report containing a sodium result can reference 13480-4 within the templateId or code element to ensure semantic interoperability.

Results for 13480-4 are typically reported in:

When professionals search for "13480-4 pdf," they often also need these companion codes. Consider bundling them into a single reference document.

If you have landed on this page searching for you are likely involved in healthcare data exchange, laboratory information systems (LIS), or electronic health records (EHRs). You are not alone. This alphanumeric string represents one of the most critical codes in the world of standardized medical terminology.