Kidney disease and dialysis: the costs nobody warns you about

Original Medicare covers dialysis at 80% — with no yearly cap on the other 20%. The fix exists, but timing is everything.

7 min readUpdated August 2026

Published by Navigate Care. How we source our guides

In this guide 4 sections

Kidney failure comes with a unique distinction: it's the condition Congress singled out for Medicare coverage at any age. That generosity is real — and it comes wrapped in some of the most consequential fine print in the program. Families who learn the fine print early save themselves five figures and years of stress.


01

The 20% that never stops

Dialysis is covered under Part B: Medicare pays 80% of the approved amount, the patient owes 20%. For a one-time procedure, 20% is a bill. For a treatment that happens week after week for years, 20% with no annual out-of-pocket cap is a second mortgage. This is the central math of kidney care on Original Medicare.

The fixes: a Medigap supplemental policy that covers the coinsurance (availability and pricing rules vary by state and age — timing the application matters enormously), a Medicare Advantage plan with an out-of-pocket maximum, or Medicaid for those who qualify. Each path has trade-offs; the mistake is drifting into dialysis without deliberately choosing one.


02

Home dialysis deserves a real look

Medicare covers home dialysis — including training for the patient and a care partner, equipment and supplies. Home treatment means no thrice-weekly transport, gentler and more frequent sessions, and dramatically more normal life. It isn't right for everyone, but it's presented to far fewer patients than could benefit. If it's never been discussed, ask the nephrologist directly why not.


03

Transplant: covered further than people think

Medicare covers kidney transplantation — the evaluation, the surgery, the donor's costs, and immunosuppressive drugs, with extended drug coverage rules that have improved in recent years. The bottleneck isn't coverage; it's getting on the list and staying transplant-ready, which is a years-long project of appointments, tests and paperwork. It's also the only path off dialysis, which makes that project worth running seriously.


04

Alone versus advocated

Approaching dialysis

Going it alone
Coinsurance discovery happens at the first bill
With an advocate
Supplemental coverage chosen before treatment starts

Treatment logistics

Going it alone
Three rides a week, improvised forever
With an advocate
Standing transport; home dialysis genuinely explored

Transplant listing

Going it alone
Stalls on a missing test nobody chased
With an advocate
The workup tracked like the project it is

The bills

Going it alone
A drawer of statements, growing
With an advocate
Every claim checked against the 80/20 math

Questions families ask

My husband is 58 — can he really get Medicare for kidney failure?

Yes. Permanent kidney failure requiring dialysis or transplant qualifies for Medicare at any age, with specific enrollment timing rules. For younger patients there are also coordination rules with employer insurance — the sequencing is technical and worth getting advice on early.

Does Medicare pay for rides to dialysis?

Original Medicare generally doesn't cover routine transport, but this is the situation where the exceptions live: some Medicare Advantage plans include transport benefits, Medicaid covers non-emergency medical transportation for those eligible, and dialysis social workers know local programs. Recurring schedules actually make transport easier to solve — once someone owns solving it.

What slows kidney disease before dialysis?

Blood pressure control, diabetes control, the right medications and avoiding kidney-harming drugs — all of which is covered, ordinary care that works best when it's coordinated. The years before dialysis are the highest-leverage years; treat them that way.

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