Why does this page start at 113 g?

NADAC prices this product per GM. The FDA NDC Directory’s package description gives 113 g in one package for this product’s NDC (“113 g in 1 TUBE (58809-375-04)”), so the card starts at one package: 113 GM. Change it to match your prescription.

Z-BUM 22% DIAPER RASH CREAM

For 113 g

Pharmacies pay

$41.54 filed

113 × $0.36763 per GM

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

Medicare

We don’t know yet

No Medicare reference price. Part D: OpenBill did not match this NDC to a usable Medicare Part D spending row. Either Part D has none for it, or the rows that share its name could not safely be tied to it (for example, they mix units, routes or release forms, or the drug is sold over the counter, which Part D does not cover). Part B: This NDC is not in the current quarter’s Medicare Part B NDC-HCPCS crosswalk, so it has no Part B payment limit.

The spread

We don’t know yet

There is no Medicare figure to compare with, so there is no spread.

Cost-plus estimate

$52.77 estimated

$41.54 + $6.23 (15%) + $5.00 fee per fill = $52.77

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

Z-BUM 22% DIAPER RASH CREAM is how the CMS NADAC file names this product. The FDA NDC Directory lists it as diaper rash cream, under the trade name “Z-Bum”.

FDA gives its dosage form as cream and its route as topical.

The labeler, the company named on the label, is GM Pharmaceuticals, Inc.

FDA lists no Established Pharmacologic Class for it.

The NADAC file of 2026-10-14 prices it under one NDC (National Drug Code), 58809-0375-04.

NADAC classes it as a generic drug (rate-setting class G), and marks it as sold over the counter.

What pharmacies pay

Pharmacies pay $41.54 for 113 g (113 × $0.36763 per GM, 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; 5, calculated based on package size.

What NADAC measures · NADAC explanation codes

The NDC

58809-0375-04 · GM Pharmaceuticals, Inc · $0.36763 per GM · eff. 2026-09-23 filed

What Medicare paid

We don’t know yet; the card above says why.

Which Medicare figure OpenBill compares · How Part D is matched · How Part B is matched

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.

What is your cash price for 113 g? Is it lower than what I would pay through my insurance?
It is sold over the counter, so shelf prices vary from store to store: what does it cost per unit here?
How much is in the package I am getting? This page uses 113 g; your package may hold a different amount.
These are questions about price, not medical advice. Do not change or stop a medicine without talking to your prescriber or pharmacist.

Questions

Why does this page start at 113 g?: NADAC prices this product per GM. The FDA NDC Directory’s package description gives 113 g in one package for this product’s NDC (“113 g in 1 TUBE (58809-375-04)”), so the card starts at one package: 113 GM. Change it to match your prescription.