Coding, Billing & Reimbursement Flashcards

What is the purpose of the KX modifier when appended to an O&P claim submitted to Medicare?

Answer: To signify that documentation on file supports medical necessity as required by an applicable LCD

The KX modifier attests that the documentation in the patient's medical record supports the medical necessity requirements defined in the applicable Local Coverage Determination (LCD).

In O&P billing, what constitutes an 'upgrade' transaction?

Answer: Furnishing a higher-cost device than Medicare covers, with the beneficiary agreeing to pay the difference

An upgrade occurs when a provider furnishes a more expensive device than the Medicare-covered item and the beneficiary voluntarily elects to pay the cost difference between the upgrade and the covered device.

What role do ICD-10-CM codes play in O&P billing?

Answer: They document the patient's diagnosis to support medical necessity for the prescribed device

ICD-10-CM diagnosis codes document the patient's medical condition in O&P billing, providing the clinical basis that supports medical necessity for the prescribed orthotic or prosthetic device.

What is the typical Medicare replacement timeframe for most prosthetic devices?

Answer: 5 years

Medicare generally allows replacement of most prosthetic devices every 5 years when medical necessity is documented and the device is lost, irreparably damaged, or no longer functional.

Which entity is responsible for processing Medicare Part B claims for O&P and DME items in the United States?

Answer: Durable Medical Equipment Medicare Administrative Contractors (DME MACs)

DME Medicare Administrative Contractors (DME MACs) are the regional Medicare contractors specifically designated to process Part B claims for durable medical equipment, prosthetics, orthotics, and supplies (DMEPOS).

What is the 'allowed amount' in the context of Medicare O&P reimbursement?

Answer: The Medicare-approved payment rate that forms the basis for calculating Medicare payment and cost-sharing

The allowed (or approved) amount is the Medicare-established payment rate for a covered service, which determines both Medicare's 80% payment share and the beneficiary's 20% coinsurance obligation.

What is the primary role of the PDAC contractor in relation to O&P HCPCS coding?

Answer: To verify and confirm appropriate HCPCS code assignments for O&P devices submitted by manufacturers and providers

The PDAC (Pricing, Data Analysis and Coding) contractor provides coding verification services to confirm that manufacturers and providers are using the appropriate HCPCS codes for their O&P devices, supporting proper Medicare billing.