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Chlorthalidone 12.5 MG Oral Tablet — RxCUI 428539

RxNorm drug concept · Semantic clinical drug
RxCUI 428539 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 2 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

RxCUI428539
Official nameChlorthalidone 12.5 MG Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped1
Package NDCs mapped2
Reported Medicaid activity (SDUD)1,028 prescriptions · 10 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 Chlorthalidone: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Chlorthalidone is a water pill — it helps your kidneys remove extra salt and fluid from your body. That lowers the pressure inside your blood vessels, which is why it's used for hi...
  • What exactly is chlorthalidone supposed to do for me?
  • Take it in the morning with food — that's the standard recommendation. Taking it in the morning means the increased urination it causes happens during the day while you're awake, r...
  • Should I take it in the morning or at night, and does it matter if I eat?
📖 Read our full Chlorthalidone guide →

🕸️ Concept Web — How Chlorthalidone 12.5 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 Chlorthalidone 12.5 MG Oral Tablet RxCUI 428539

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.

    • Chlorthalidone 2409
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Hemiclor 2709674
  3. Dose forms 9

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

    • Chlorthalidone Oral Tablet 371472
    • Chlorthalidone Oral Product 1155795
    • Chlorthalidone Pill 1155796
    • Chlorthalidone Oral Tablet [Hemiclor] 2709678
    • Hemiclor Oral Product 2709676
    • Hemiclor Pill 2709677
    • Oral Tablet 317541
    • Oral Product 1151131
    • +1 more in this family
  4. Clinical & branded drugs 3

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

Showing up to 8 concepts per family — 13 of 14 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

  • Chlorthalidone 12.5 MG SCDC · 331132
  • Chlorthalidone Oral Tablet SCDF · 371472
  • Chlorthalidone Oral Product SCDG · 1155795
  • Chlorthalidone Pill SCDG · 1155796

Brand-Name Concepts

  • Chlorthalidone 12.5 MG Oral Tablet [Hemiclor] SBD · 2709679
  • Chlorthalidone 12.5 MG [Hemiclor] SBDC · 2709675
  • Chlorthalidone Oral Tablet [Hemiclor] SBDF · 2709678
  • Hemiclor Oral Product SBDG · 2709676
  • Hemiclor Pill SBDG · 2709677
  • Hemiclor BN · 2709674

📦 FDA Products & Package NDCs

1 product · 2 package NDCs
2 package NDCs map to RxCUI 428539 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
50742-0285-30 30 TABLET in 1 BOTTLE (50742-285-30) HEMICLOR Ingenus Pharmaceuticals, LLC 2025-03-17
50742-0285-90 90 TABLET in 1 BOTTLE (50742-285-90) HEMICLOR Ingenus Pharmaceuticals, LLC 2025-03-17
Observed labelers: Ingenus Pharmaceuticals, LLC (2) — 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
$0.9573
Range $0.9573–$0.9573 · middle 50% $0.9573–$0.9573 · 2 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.