NCD is a three-letter abbreviation which may mean:
National Church Development
National Coverage Determinations, which help the Centers for Medicare and Medicaid Services define medical necessity for Medicare beneficiaries nation-wide.
National Council on Disability
Natural Church Development
Naval Combat Dress, a uniform of the Canadian Forces
Naval Construction Division (U.S. Navy)
Negotiable certificate of deposit
Network Computing Devices, a company
Non-communicable disease
Non-convergent discourse
Non Crystalline Diffraction
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