NDI
NDI is employed in government records for the National Death Index, in medicine for conditions like nephrogenic diabetes insipidus or neurodevelopmental impairment, and for the political organization National Democratic Institute.
Medical
Miscellaneous
National Deliverability Index
Natural Doctors International
National Defence Identification
Nordisk Dæk Import
Community
Governmental
Non Developmental Item
National Death Index
National Death Index (CDC)
National Democratic Institute
National Directors Institute
Nebraska Debate Institute
National Disability Institute
National Defense Institution