U

• UCUM
• UDPV
• UDRA
• UDS
• ULPA filter
• ultra-low penetration air filter
• ultramicronised tablet
• ultraviolet light a
• ultraviolet light b
• UN
• unblinding
• undefined data pharmacovigilance
• undefined regulatory activity
• under 5 mortality rate
• undirectional flow
• unexpected adverse drug reaction
• unexpected adverse reaction
• unexpected serious risk
• unforseen variation
• unidentified degradation product
• unidentified impurity
• unified code for units of measure
• union reference date
• unique device identification code
• unit of measurement
• unit of presentation
• united nations
• united states adopted name
• united states pharmacopoeia
• universal test
• universe
• unplanned change
• unprocessed bulk
• unscheduled dna synthesis
• unsolicited amendment
• unspecified degradation product
• unspecified impurity
• urethral
• urgent safety restriction
• URS
• USAN
• USAN name
• use case
• user
• user fees
• user requirement specification
• USP
• utility software
• UVA
• UVB