COB

Abbreviation Administrative Assisting

Coordination of benefits: rules that decide which insurer pays first when a patient has more than one plan.

Sources

Medicare Secondary Payer (MLN006903, July 2025) · Centers for Medicare & Medicaid Services, Medicare Learning Network

Related terms

ABNAdvance Beneficiary Notice of Non-coverage: a Medicare form telling the patient, before the service, that…
CMS-1500The standard paper claim form for professional (physician and supplier) services; the electronic version is…
CPOEComputerized provider order entry: the provider enters orders electronically instead of on paper.
CPTCurrent Procedural Terminology: the AMA code set for medical services and procedures.
DMEDurable medical equipment: reusable equipment ordered for home use, such as walkers, wheelchairs or oxygen…
E/MEvaluation and management: the category of codes for office, outpatient, hospital and other patient visits.
EFTElectronic funds transfer: a health plan's payment sent electronically to the provider's bank.
EHRElectronic health record: a digital record of a patient's health information that can be shared across…