Common Abbreviations and Acronyms

AOB – Assignment of benefits
AMA – American Medical Association
BCBS – Blue Cross Blue Shield
CMS – Centers for Medicare and Medicaid Services
CPT – Current Procedural Terminology – The 5 digit code assigned a procedure performed by the physician
DME – Durable Medical Equipment
DOS – Date of Service
Dx – Abbreviation for diagnosis code
EMR – Electronic Medical Records
EOB – Explanation of Benefits
ERA – Electronic Remittance Advice
E/M – Evaluation and Management section of the CPT codes
HCPCS – Health Care Financing Administration Common Procedure Coding System (pronounced ‘hick-picks’)
HIPAA – Health Insurance Portability and Accountability Act
ICD – International Classification of Diseases
NOS – Not Otherwise Specified
NPI – National Provider Identifier
PHI – Protected Health Information
POS – Place of Service
RVU – Relative Value Units
SOF – Signature on File