CFO CFO Insurance & Billing

Question 1

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

Accepted Answer

L-codes

Answer

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

Question 2

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

Accepted Answer

The ordering physician

Answer

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

Question 3

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

Accepted Answer

Insurance approval obtained before providing the orthotic device

Answer

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

Question 4

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

Accepted Answer

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

Answer

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

Question 5

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?

Accepted Answer

Modifier KX

Answer

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

(CFO) Certified Fitter Orthotics Practice Test