Summary
This article is about the emphasis of professional prostheses billing services, and it is intended for those healthcare providers who are struggling with their prostheses billing because they have handed over the services to general billing teams instead of dedicated prostheses billing teams.
Orthotics and prosthetics practices falls under those healthcare services which run on rigid margins in healthcare, and it requires professional prostheses billing services ensuring a timely reimbursement. A single claim denial does not slow down the cash flow only, it can also make you pay custom fabrication timelines, expensive component inventory, and uncompromising Medicare Local Coverage Determinations (LCDs), all out of our pocket.
Managing general professional billing services is easy through standard office visits, the difficult part is encountered in the handling of convoluted documentations requirements for the adjudication of prostheses billing services.
Why Prostheses Requires Exceptional Billing Expertise
Unlike standard medical bills, the submission of prostheses claims have to pass a scrutinized audit from commercial payers as well as Medicare Administrative Contractors (MACs). If you handover your prostheses claims to generic billing teams, you are likely to face critical errors in:
- K-Level Justification: For advanced microprocessing and myoelectric components, the failure to provide patient’s clinical progress notes ($K0–K4$ documented functional level) will immediately lead to face denials of medical necessity (CO 50, CO 150), etc.
- Detailed Written Orders: A physician’s order, signed, dated, and matching the correct HCPCS codes is required before the submission of prostheses bills to the payers.
- Proof of Delivery (POD): Practices undergoing audits after getting CO 50 denials if rendered services lack physician’s signature, serial numbers, and date of services.
To ensure that your practice is not undergoing an audit as a result of incomplete and unsupported documentation while maintaining a positive cash flow, your practice should partner with specialized prostheses medical billing services professionals, ensuring clean claim submission by making your claims undergoing in-house audit of supported documentation.
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Recommended Workflow Checklist for Prostheses Billing
With more than 15000 prostheses clean claims handled since 2024, the dedicated team of Care Medicus that solely work on prostheses billing recommend the following checklist staged for a successful workflow before you submit a claim to any payer for adjudication:
Intake And Eligibility Stage
Cross verify the prior authorization status, deductible payment status, and verification of DMEPOS (Durable Medical Equipment, Prosthetics, Orthotics, and Supplies) before hitting the submit button on your clearinghouse dashboard.
Do not assume standard medical benefits applied to hardware of prostheses including pylons, prosthetic joints, terminal devices and adapters, etc. Instead, treat the hardware as benefit associated with the rendered service. Most of the commercial insurance payers exclude hardware used for sports and recreation, and are not covered as deemed to be “beyond daily normal living”.
Pre-Fabrication
A hardware that is produced on a mass level, manufactured in standard sizes (S,M,L,XL), is normally not covered under insurance until it is customized to match the patient’s needs. A practitioner needs to bend, mold, or customize such hardware, and specify it in the clinical notes by outlining the exact structural changes made to customize the hardware, and bill it under specific “custom fitted” HCPCS Level II codes to fit patient’s unique anatomy.
Never order a physical component before payer’s approval and never bill a hardware that is available over the counter and can be directly bought by the patient without prescription.
Delivery & Sign Off
After the hardware is delivered to the patient, it is necessary to obtain proof of delivery by the patient. The obtained proof of delivery must be signed by the patient stating the correct fitting and willful acceptance. The beneficiary’s full name and delivery address is to be provided, and if someone else receives the hardware on behalf of beneficiary, the relationship must be specified. The claim form, CMS 1500 Line 24, should not be dated before the actual delivery date of hardware to the patient. When the patient signs and acknowledge delivery, it becomes the date of service, and cannot be backdated. The entire documentation should be kept up to 7 years by the rendering provider and should be produced whenever demanded (42 CFR § 424.57(c)(12)).
Claim Submission
For specialized prosthetic hardware, every L code should be split to its own unique line item with appropriate modifiers in Field 24 of CMS 1500 layout. Identical components should never be billed in one line with quantity of “2”, for example, if there is a component that is to be placed on both left and right arms, these must be split into two separate lines with LT & RT modifiers instead of aggregating them in 1 line.
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Practical Example of Bilateral Lower Limb Prosthetic Claim Layout
For a patient receiving bilateral knee orthoses, L1832, for a prefabricated and custom fitted hardware, the lines should look like this meeting the strict LCD (Local Coverage Determination) criteria:
| Line Item (24A) |
Date of Service (24D) |
HCPCS Code (24D) | Modifier 1 (24D) | Modifier 2 (24D) | Units (24G) |
Clinical Notes |
| Line 1 |
Date of Delivery |
L1832 |
– RT | – KX | 1 |
Right leg |
| Line 2 |
Date of Delivery |
L1832 |
– LT | – KX | 1 |
Left leg |
