Drug & supply markup

Surgical implant billed as a separate pass-through charge

For most surgeries, the CPT code includes everything that's part of the standard procedure — including any implant or device. A separate 'implant' charge on top can be legitimate (some implants do qualify for pass-through under Medicare's IPPS rules) but the patient should be able to see how the math works.

Federal basis

Medicare IPPS New Technology Add-on Payment + general bundling rules

42 CFR §412.87 (NTAP) / NCCI Policy Manual Ch. 1

Read the source →

What this looks like in practice

Implants and devices used during surgery generally fall into two categories: bundled (included in the procedure code's payment, like a standard knee prosthesis as part of CPT 27447 total knee replacement) or pass-through (separately billable under specific CMS rules). For commercial and self-pay billing, the hospital's chargemaster sets the price either way — but if it's bundled, billing it separately is double-billing.

The consumer dispute: the bill has both a CPT code for the surgery (which included the implant) AND a separate line item for the implant device. The patient's review should confirm whether the implant was actually pass-through eligible or whether it was already in the surgery's bundled payment.

How to spot it on a bill

01.Bill from a surgery shows a CPT code for the procedure AND a separate 'implant,' 'device,' or 'supplies' line at high cost ($1,000+).
02.The procedure category (joint replacement, spinal hardware, cardiac stent) typically has the implant bundled into the procedure CPT.
03.Two distinct charges for what sounds like the same item.

What to write — ready-to-paste language

Replace the bracketed fields with your specific details. Send by certified mail with return receipt, or via the hospital’s patient portal if it offers documented messaging. Keep a copy.

On the bill dated [date], I see CPT [surgery code] (the procedure) AND a separate line for [implant/device, $amount]. Most surgical CPT codes already include the implant as part of the bundled procedure payment. Please confirm: (1) whether this implant qualifies as a pass-through item under CMS rules (42 CFR §412.87 for inpatient or the relevant outpatient pass-through list), and (2) if it does qualify, the documentation supporting the separate billing. If the implant is bundled into the procedure code, please remove the separate line item.

This is a starting point, not legal advice. Your specific situation may warrant additional details. Our scan tool drafts this letter automatically with your bill’s specifics filled in.

CPT codes commonly involved

These codes often appear in bills affected by this pattern. Click through for the federal benchmark price on each.

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Related scenarios

Saline IV markup — when a $3 bag bills at $300+
Normal saline (sodium chloride 0.9%) is one of the most-marked-up items in hospital chargemasters. The federal Medicaid acquisition cost is publicly published; the gap to chargemaster is documented.

Common questions

How do I know if the implant is bundled vs. pass-through?

It depends on the specific implant and the payer. Medicare publishes lists of pass-through items annually. Commercial insurance and self-pay billing can follow different rules — but the hospital's billing department can tell you which the implant in your case is, and provide the supporting CMS or contract reference.

P.S. The dispute language above is a starting point. Bills with this pattern often have additional issues alongside it — coding errors stacked with markup, surprise bills stacked with charity- care eligibility. The scan finds all of them in one pass. Start the audit →

P.P.S.Federal law gives you these rights regardless of how the bill arrived. Insured, uninsured, in-network, out-of-network — the underlying patient-protection statutes apply.

P.P.P.S. Bills are time-sensitive. Most insurance appeals must be filed within 180 days. Charity-care discounts at non-profit hospitals are most easily applied within 240 days of the original bill. Acting earlier costs less.