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The CPT code set describes medical, surgical, and diagnostic services and is designed to communicate uniform information about medical services and procedures among physicians, coders, patients, accreditation organizations, and payers for administrative, financial, and analytical purposes.
Medical billing, a payment process in the United States healthcare system, is the process of reviewing a patient's medical records and using information about their diagnoses and procedures to determine which services are billable and to whom they are billed.
HCPCS includes three levels of codes: Level I consists of the American Medical Association's Current Procedural Terminology (CPT) and is numeric.; Level II codes are alphanumeric and primarily include non-physician services such as ambulance services and prosthetic devices, and represent items and supplies and non-physician services, not covered by CPT-4 codes (Level I).
The services are classified under a nomenclature based on the Current Procedural Terminology (CPT) to which the American Medical Association holds intellectual property rights. [2] Each service in the fee schedule is scored under the resource-based relative value scale (RBRVS) to determine a payment.
Evaluation and management coding (commonly known as E/M coding or E&M coding) is a medical coding process in support of medical billing. Practicing health care providers in the United States must use E/M coding to be reimbursed by Medicare , Medicaid programs, or private insurance for patient encounters.
The original mammogram codes (film based mammograms) are CPT codes (77055, 77056, and 77057), so it would be easy to overlook the increasingly used digital mammogram codes that remain as HCPCS Level 2 codes if one did not know they existed (and possibly under-report mammogram statistics).
Every hospital system maintains its own chargemaster. [6] Traditionally, hospitals regarded their chargemaster, alongside the medical codes that catalogue the billing items, as a trade secret that is central to their business, and state laws and courts have historically accepted the view that these are proprietary information.
Diagnosis-related group (DRG) is a system to classify hospital cases into one of originally 467 groups, [1] with the last group (coded as 470 through v24, 999 thereafter) being "Ungroupable".