Medical Device Reimbursement 101: What Founders Need to Know Before Design Freeze

2026-09-01 · Caduvo Team

A plain-English primer on how US medical device reimbursement works — coding, coverage, payment — and why founders must build a reimbursement strategy before they freeze their device design. Includes a pre-design checklist.

Most founders can tell you how their device works. Far fewer can explain how it gets paid for. That gap kills companies. Medical device reimbursement isn't a post-FDA afterthought. It's a pre-design requirement. Here's how the US system works, and why your reimbursement strategy should start before your first prototype is frozen.

The Three-Legged Stool: Coding, Coverage, Payment

Reimbursement rests on three sequential questions:

  1. Coding – does the device have a billing code that describes it?
  2. Coverage – will payers agree to pay for it when that code is used?
  3. Payment – how much will they pay?

A code without coverage is a paperwork exercise. Coverage without a code is a ghost. And payment that doesn't cover your costs is a business model failure. You need all three.

CPT vs. HCPCS: Which Code Does Your Device Need?

Procedures and physician work are coded with CPT codes (maintained by the AMA). Devices, supplies, and durable medical equipment (DME) typically use HCPCS Level II codes (maintained by CMS). Knowing which bucket your device falls into determines your entire reimbursement pathway.

A surgical tool used during a procedure is often packaged into the procedure's CPT code – no separate payment. A standalone implant, wearable, or home-use device usually requires a dedicated HCPCS code. Commercial payers generally follow the same architecture, though some carve out their own coding edits.

For a granular breakdown of the two code sets, see HCPCS vs CPT Codes: What MedTech Teams Need to Know.

Medicare Coverage: NCDs, LCDs, and the Local Contractor Maze

Medicare covers a device only if it's "reasonable and necessary" for the diagnosis or treatment of illness. That determination happens in two ways:

If your device is new, with no existing code and no coverage policy, you're in no-man's-land. You'll need to work with a MAC to get a draft LCD, or pursue an NCD if the technology is groundbreaking. In either case, clinical evidence is your currency. For a walkthrough of the difference, see NCDs vs LCDs: How Medicare Coverage Determinations Work.

Medicare payment rates are often fixed by fee schedules – the Physician Fee Schedule for CPT codes, the DME Fee Schedule for HCPCS codes covering durable equipment. Those rates are public. You can model your revenue per procedure before you ever build a prototype.

Commercial Payers: The Evidence Threshold Is Higher

Commercial insurers aren't required to follow Medicare's lead. They run their own technology assessments, often demanding more rigorous evidence – randomized data, long-term outcomes, and economic impact. Even with FDA clearance, a commercial payer can deny coverage as "investigational" or "not medically necessary."

Getting a device onto a commercial medical policy usually requires a dossier that demonstrates clinical superiority and cost-effectiveness. That evidence must be designed into your clinical trials early. If you show up post-FDA with only a safety-and-efficacy study, you'll be locked out of coverage for years.

A practical path is to engage value analysis committees (VACs) at hospitals. These committees decide which devices make it onto the hospital formulary, and their criteria closely mirror what payers want. For a deeper playbook, read Medical Device Market Access: The Value Analysis Committee Playbook.

Why Reimbursement Strategy Must Start Before Design Freeze

Design choices dictate reimbursement outcomes. The device's intended use, indication breadth, and clinical endpoints determine which code you'll pursue, what evidence you'll need, and what payment you can expect. If you freeze the design without a reimbursement model, you risk building a device that no payer will cover at a profitable rate.

Three concrete examples:

Breakthrough Device Designation can provide a bridge: it offers transitional coverage for emerging technologies (TCET) for certain Medicare beneficiaries, but only if you apply early in the FDA process. That's a strategic decision, not a last-minute add-on.

A Founder's Pre-Design Freeze Checklist

Before you lock your device specs, answer these eight questions:

  1. Identify the most likely CPT or HCPCS code pathway for your device's use case.
  2. Search the Medicare Coverage Database for any existing NCDs or LCDs that cover similar technologies.
  3. Talk to at least three hospital billing directors and ask them to walk through a hypothetical claim.
  4. Estimate the Medicare payment amount for the target code and compare it to your estimated cost of goods sold.
  5. Define the evidence endpoints needed to support payer coverage – not just clinical safety, but also health economic and comparative effectiveness data.
  6. If eligible, assess whether Breakthrough Device Designation is worth pursuing for the transitional coverage benefit.
  7. Pull commercial payer medical policies for analogous devices and note the evidence they cite.
  8. Write a one-page reimbursement strategy brief that feeds back into your design requirements.

This isn't busywork. It's table stakes for a fundable device.

Actionable Takeaways

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