OpenBilldrug price receipt

NADAC week of 2026-10-14

POTASSIUM CITRATE ER 10 MEQ TB

For 30 tablets

Pharmacies pay

$5.25 filed

30 × $0.17516 per EA

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D paid

$18.18 filed

30 × $0.60615 per EA, Part D average

Medicare's price is not your price.

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18


The spread

3.5× estimated

Medicare paid 3.5× what pharmacies pay.

Part D averages every strength and form sold under “Potassium Citrate ER” / “Potassium Citrate” into one figure, so it is not specific to this NDC.

OpenBill calculation · DSD_PTD_RY26_P04_V10_DY24_BGM.csv + nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17) · Part D 2024-01-01 to 2024-12-31 (file of 2026-06-25, retrieved 2026-10-18)

Cost-plus estimate

$11.04 estimated

$5.25 + $0.79 (15%) + $5.00 fee per fill = $11.04

This is a model, not a price any pharmacy quoted. Shipping is not included. How it is worked out

OpenBill calculation · nadac-national-average-drug-acquisition-cost-20261014.csv · NADAC eff. 2026-09-23 (file of 2026-10-14, retrieved 2026-10-17)

Open the interactive card Change the quantity, type what you were charged, and see every record in full.

What it is

POTASSIUM CITRATE ER 10 MEQ TB is how the CMS NADAC file names this product. The FDA NDC Directory lists it as potassium citrate, under the trade name “POTASSIUM CITRATE EXTENDED RELEASE”.

FDA gives its dosage form as “tablet” and “tablet, extended release” and its route as oral.

FDA lists 9 labelers (the companies named on the label) for its NDCs, among them Upsher-Smith Laboratories, LLC, Actavis Pharma, Inc. and Rising Pharma Holdings, Inc.

FDA lists it under 2 Established Pharmacologic Classes: Anti-coagulant and Calculi Dissolution Agent.

The NADAC file of 2026-10-14 prices it under 12 NDCs (National Drug Codes); the FDA directory lists 9 of them.

NADAC classes it as a generic drug (rate-setting class G), and does not mark it as sold over the counter.

What pharmacies pay

Pharmacies pay $5.25 for 30 tablets (30 × $0.17516 per EA, rounded to the cent), by the CMS NADAC file of 2026-10-14; that price took effect on 2026-09-23. That is what pharmacies pay their suppliers, not what they charge you.

NADAC’s explanation codes for it: 1, calculated from the most recently completed pharmacy survey; 6, the CMS Covered Outpatient Drug Product File S/I/N drug category was not applied when grouping drugs for the calculation.

The 9 labelers

LabelerNDCsPharmacies pay per unit
ANI Pharmaceuticals, Inc.1$0.17516 per EA filed
Actavis Pharma, Inc.1$0.17516 per EA filed
American Health Packaging1$0.17516 per EA filed
Biocomp Pharma, Inc.1$0.17516 per EA filed
Camber Pharmaceuticals, Inc1$0.17516 per EA filed
Rising Pharma Holdings, Inc.1$0.17516 per EA filed
Strides Pharma Inc.1$0.17516 per EA filed
Upsher-Smith Laboratories, LLC1$0.17516 per EA filed
Zydus Pharmaceuticals (USA) Inc.1$0.17516 per EA filed
Not listed as a package in the FDA directory3$0.17516 per EA filed
All 12 NDCs, with labeler and price
  • 00245-0071-11 · Upsher-Smith Laboratories, LLC · $0.17516 per EA · eff. 2026-09-23 filed
  • 00591-2729-01 · Actavis Pharma, Inc. · $0.17516 per EA · eff. 2026-09-23 filed
  • 16571-0865-01 · Rising Pharma Holdings, Inc. · $0.17516 per EA · eff. 2026-09-23 filed
  • 31722-0130-01 · Camber Pharmaceuticals, Inc · $0.17516 per EA · eff. 2026-09-23 filed
  • 42543-0407-01 · Strides Pharma Inc. · $0.17516 per EA · eff. 2026-09-23 filed
  • 44523-0410-01 · Biocomp Pharma, Inc. · $0.17516 per EA · eff. 2026-09-23 filed
  • 62559-0291-01 · ANI Pharmaceuticals, Inc. · $0.17516 per EA · eff. 2026-09-23 filed
  • 68084-0850-32 · American Health Packaging · $0.17516 per EA · eff. 2026-09-23 filed
  • 68084-0850-33 · not listed as a package in the FDA directory · $0.17516 per EA · eff. 2026-09-23 filed
  • 68382-0537-01 · Zydus Pharmaceuticals (USA) Inc. · $0.17516 per EA · eff. 2026-09-23 filed
  • 69452-0193-20 · not listed as a package in the FDA directory · $0.17516 per EA · eff. 2026-09-23 filed
  • 71930-0049-12 · not listed as a package in the FDA directory · $0.17516 per EA · eff. 2026-09-23 filed

Other strengths, forms and brands

2 other products in the NADAC file share the FDA nonproprietary name potassium citrate with POTASSIUM CITRATE ER 10 MEQ TB.

ProductPharmacies pay per unitMedicare per unit
POTASSIUM CITRATE ER 5 MEQ TAB
generic · tablet / tablet, extended release
$0.12346 per EA filed
eff. 2026-09-23
$0.60615 per EA filed
Part D 2024 average
POTASSIUM CITRATE ER 10 MEQ TB this page
generic · tablet / tablet, extended release
$0.17516 per EA filed
eff. 2026-09-23
$0.60615 per EA filed
Part D 2024 average
POTASSIUM CITRATE ER 15 MEQ TB
generic · tablet, extended release / tablet
$0.17423 per EA filed
eff. 2026-09-23
$0.60615 per EA filed
Part D 2024 average

Part D is one average per brand and generic name, over every strength and form.

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

Medicare Part D · DSD_PTD_RY26_P04_V10_DY24_BGM.csv · eff. 2024-01-01 to 2024-12-31 · as of 2026-06-25 · retrieved 2026-10-18

Compared with its class

The middle of its 12 NDCs’ NADAC prices is $0.17516 per EA filed.

Of the 20 other products in FDA’s Calculi Dissolution Agent class priced per EA, 14 have a higher middle NADAC price and 6 a lower one. The one in the middle is GS DUAL ACTION COMPLETE TB CHW, at $0.2578 per EA filed (eff. 2026-09-23).

Prices are compared per unit, whatever the strength or dose, and a class is not a list of substitutes.

CMS NADAC · nadac-national-average-drug-acquisition-cost-20261014.csv · eff. 2026-09-23 · as of 2026-10-14 · retrieved 2026-10-17

What Medicare paid

Medicare Part D paid $18.18 for 30 tablets, at an average of $0.60615 per EA in 2024 (2024-01-01 to 2024-12-31) for “Potassium Citrate ER” and “Potassium Citrate”, every strength and form sold under that name together (Medicare Part D Spending by Drug, file of 2026-06-25).

That average covers 530,320 Part D claims (fills, including refills) for 2024-01-01 to 2024-12-31, across every maker, strength and form under the name.

Medicare's price is not your price.

What to ask at the counter

None of these figures is your price: what you pay depends on your pharmacy, your insurance, coupons and discounts.

Questions

Why is the comparison with Medicare for POTASSIUM CITRATE ER 10 MEQ TB labelled estimated?
Beyond what the card shows, the records give these reasons: The Part D figure covers 2024-01-01 to 2024-12-31; the NADAC price is from the file of 2026-10-14. Part D spending basis, as the Part D record states it: Part D 2024 average spend per dosage unit for Potassium Citrate ER / Potassium Citrate: all makers, strengths, forms and routes combined, claim-weighted; gross cost incl. dispensing fees and patient pay, before rebates. Unit taken as NADAC's EA. Joined on generic name.