These standards are why the 11-digit NDC exists at all: a fixed-width field was required, and the FDA's variable-width code had to be normalised to fit it.
The federally mandated formats for electronic healthcare transactions, including claims, remittance and eligibility.
These standards are why the 11-digit NDC exists at all: a fixed-width field was required, and the FDA's variable-width code had to be normalised to fit it.