CND	Classificazione Nazionale Dispositivi medici (medical device national classification)
DPCM	Decreto del Presidente del Consiglio dei Ministri (Prime Ministry’s Decree)
DRG	Diagnosis Related Group
EAN	European Article Number
EMDN	European Medical Device Nomenclature
EPRD	Endoprothesenregister Deutschland
FDA	Food and Drug Administration
GMDN	Global Medical Device Nomenclature
GTIN	Global Trade Item Number
HDR	Hospital Discharge Record
HTA	Health Technology Assessment
ICHOM	International Consortium for Health Outcomes Measurement
IPL	International Prostheses Library
ISR	International Spine Registry working group
ISAR	International Society of Arthroplasty Registries
ISO	International Organization for Standardization
ISS	Istituto Superiore di Sanità (Italian National Institute of Health)
IT	Information Technology
MD	Medical Device
MDR	Medical Device Regulation (EU) 2017/745
MDS	Minimum Data Set
MHRA	Medical and Healthcare Products Regulatory Agency
MoH	Ministry of Health
MoM	Metal-on-Metal
NJR	National Joint Registry
ODEP	Orthopaedic Data Evaluation Panel
PIP	Poly Implant Prothèse
PROMs	Patient-Reported Outcome Measures
RIDIS	Registro Italiano Dispositivi Impiantabili per chirurgia Spinale (Italian Spine Registry)
RIPI	Registro nazionale delle protesi impiantabili (Italian Implantable Prostheses Registry)
SNOMED CT	Systematized Nomenclature of Medicine Clinical Terms
UDI	Unique Device Identification
WHO	World Health Organisation
XML	eXtensible Markup Language
XSD	eXtensible markup language Schema Definition