CFO Insurance & Billing Flashcards

Which HCPCS code category is primarily used to bill for custom-fabricated foot orthotics?

Answer: L-codes

L-codes (L3000–L3999) are the HCPCS Level II codes designated for orthotic devices including custom foot orthotics.

A Certificate of Medical Necessity (CMN) for orthotics must be signed by which provider?

Answer: The ordering physician

The ordering physician must sign the CMN to certify that the orthotic device is medically necessary for the patient.

What does the term 'prior authorization' mean in the context of orthotic billing?

Answer: Insurance approval obtained before providing the orthotic device

Prior authorization is pre-approval from the insurance payer required before providing certain orthotic devices to ensure coverage.

Under Medicare, what documentation is required in a patient's chart to support billing for a custom ankle-foot orthosis (AFO)?

Answer: Detailed written order, diagnosis, and clinical notes justifying medical necessity

Medicare requires a detailed written order, a valid diagnosis, and clinical notes demonstrating medical necessity for custom AFO reimbursement.

Which modifier is commonly appended to an HCPCS code to indicate that a custom orthosis was fabricated from a cast or scan of the patient's limb?

Answer: Modifier KX

Modifier KX is used with Medicare claims to indicate that the supplier has documentation on file confirming medical necessity requirements are met.

What is a Local Coverage Determination (LCD) in the context of orthotic reimbursement?

Answer: A Medicare Administrative Contractor policy defining coverage criteria for specific items

An LCD is a policy issued by a Medicare Administrative Contractor (MAC) that specifies coverage criteria, diagnosis codes, and documentation requirements for specific devices.