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Calcium carbonate 648 MG Oral Tablet — RxCUI 577040

RxNorm drug concept · Semantic clinical drug
RxCUI 577040 Semantic clinical drug · SCD ● Current RxNorm concept 5 FDA products 10 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI577040
Official nameCalcium carbonate 648 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known ascalcium carbonate 648 MG (as calcium 260 MG) Oral Tablet; calcium carbonate 648 MG (Ca 260 MG) Oral Tablet
FDA products mapped5
Package NDCs mapped10
Reported Medicaid activity (SDUD)11,514 prescriptions · 16 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Calcium Carbonate: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Most people use it as a fast-acting antacid to get quick relief from heartburn, acid indigestion, sour stomach, or an upset stomach. You'll find it in brands like Tums, Rolaids, an...
  • What is calcium carbonate actually used for?
  • Don't use the maximum daily dose for more than 2 weeks in a row without talking to a doctor first. If your heartburn or stomach symptoms keep coming back or don't improve, that's y...
  • How long can I keep taking this before I should see a doctor?
📖 Read our full Calcium Carbonate guide →

🕸️ Concept Web — How Calcium carbonate 648 MG Oral Tablet Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Calcium carbonate 648 MG Oral Tablet RxCUI 577040

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Calcium carbonate 1897
  2. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Calcium carbonate Oral Tablet 371201
    • Calcium carbonate Oral Product 1154144
    • Calcium carbonate Pill 1154145
    • Oral Tablet 317541
    • Oral Product 1151131
    • Pill 1151133
  3. Clinical & branded drugs 1

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

    • Calcium carbonate 648 MG 577039

Showing up to 8 concepts per family — 8 of 8 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Calcium carbonate 648 MG SCDC · 577039
  • Calcium carbonate Oral Tablet SCDF · 371201
  • Calcium carbonate Oral Product SCDG · 1154144
  • Calcium carbonate Pill SCDG · 1154145

📦 FDA Products & Package NDCs

5 products · 10 package NDCs
10 package NDCs map to RxCUI 577040 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
00536-1206-10 1000 TABLET in 1 BOTTLE, PLASTIC (0536-1206-10) Calcium Carbonate 10 gr (648 mg) (Antacid) RUGBY LABORATORIES 2019-02-28
17714-0025-01 100 TABLET in 1 BOTTLE (17714-025-01) ANTACID Advance Pharmaceutical Inc. 1990-04-06
17714-0025-10 1000 TABLET in 1 BOTTLE (17714-025-10) ANTACID Advance Pharmaceutical Inc. 1990-04-06
70369-0004-01 1000 TABLET in 1 BOTTLE (70369-004-01) Calcium Carbonate 10 gr (648 mg) CitraGen Pharmaceuticals, Inc. 2018-08-07
71610-0301-60 90 TABLET in 1 BOTTLE, PLASTIC (71610-301-60) Calcium Carbonate 10 gr (648 mg) (Antacid) Aphena Pharma Solutions - Tennessee, LLC 2019-07-31
71610-0301-65 100 TABLET in 1 BOTTLE, PLASTIC (71610-301-65) Calcium Carbonate 10 gr (648 mg) (Antacid) Aphena Pharma Solutions - Tennessee, LLC 2019-07-16
71610-0301-80 180 TABLET in 1 BOTTLE, PLASTIC (71610-301-80) Calcium Carbonate 10 gr (648 mg) (Antacid) Aphena Pharma Solutions - Tennessee, LLC 2019-07-10
71610-0301-92 270 TABLET in 1 BOTTLE, PLASTIC (71610-301-92) Calcium Carbonate 10 gr (648 mg) (Antacid) Aphena Pharma Solutions - Tennessee, LLC 2019-07-31
73057-0377-08 100 TABLET in 1 BOTTLE, PLASTIC (73057-377-08) Calcium Carbonate 10 gr (648 mg) (Antacid) Ulai Health LLC 2019-07-01
73057-0377-11 1000 TABLET in 1 BOTTLE, PLASTIC (73057-377-11) Calcium Carbonate 10 gr (648 mg) (Antacid) Ulai Health LLC 2019-07-01
Observed labelers: Aphena Pharma Solutions - Tennessee, LLC (4) · Advance Pharmaceutical Inc. (2) · Ulai Health LLC (2) · CitraGen Pharmaceuticals, Inc. (1) · RUGBY LABORATORIES (1) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

💲 Pricing (NADAC)

NADAC is CMS's National Average Drug Acquisition Cost — roughly what pharmacies pay to buy the drug. It is an acquisition benchmark, not your copay.
Per ea · median
$0.0081
Range $0.0081–$0.0081 · middle 50% $0.0081–$0.0081 · 1 NDCs
Latest compatible distributions from the CMS NADAC file · dataset watermark 2026-07-10. Prices vary by package and pharmacy; a distribution is shown instead of one misleading number. Rows the dataset is silent on carry no price. No zero-cost conclusion should be drawn.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.