Home › NDC Lookup › RxCUI directory › RxCUI 402506

12 HR carbamazepine 400 MG Extended Release Oral Tablet — RxCUI 402506

RxNorm drug concept · Semantic clinical drug
RxCUI 402506 Semantic clinical drug · SCD ● Current RxNorm concept 67 FDA products 135 package NDCs Snapshot Jul 14, 2026

This page is curated, coded, and maintained by

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

RxCUI402506
Official name12 HR carbamazepine 400 MG Extended Release Oral Tablet
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known ascarBAMazepine 400 MG 12HR Extended Release Oral Tablet
FDA products mapped67
Package NDCs mapped135
Reported Medicaid activity (SDUD)146,910 prescriptions · 51 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 Carbamazepine: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It treats certain seizures in epilepsy and the severe facial nerve pain of trigeminal neuralgia. The brand Equetro is also used for manic or mixed episodes in bipolar I disorder. I...
  • Take it by mouth exactly as prescribed. Many forms are taken with meals, and extended-release forms are usually twice a day. Carbatrol and Equetro capsules can be opened onto soft...
  • Dizziness, drowsiness, unsteadiness, nausea and vomiting are most common, especially at the start. Be careful driving until you know how it affects you. Call your doctor if they do...
  • Call for any rash, blisters or mouth sores, especially with fever. Also report fever, sore throat, easy bruising or bleeding, yellow skin or eyes, swelling of the face or lips, or...
📖 Read our full Carbamazepine guide →

🕸️ Concept Web — How 12 HR carbamazepine 400 MG Extended Release Oral... 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 12 HR carbamazepine 400 MG Extended Release Oral Tablet RxCUI 402506

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.

    • Carbamazepine 2002
  2. Brand names 1

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

    • Tegretol 203029
  3. Dose forms 9

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

    • Carbamazepine Extended Release Oral Tablet 438301
    • Carbamazepine Oral Product 1155760
    • Carbamazepine Pill 1155761
    • Carbamazepine Extended Release Oral Tablet [Tegretol] 866302
    • Tegretol Oral Product 1180855
    • Tegretol Pill 1180856
    • Extended Release Oral Tablet 316945
    • 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.

    • Carbamazepine 400 MG 315567
    • 12 HR carbamazepine 400 MG Extended Release Oral Tablet [Tegretol] 866307
    • Carbamazepine 400 MG [Tegretol] 563866

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

  • Carbamazepine 400 MG SCDC · 315567
  • Carbamazepine Extended Release Oral Tablet SCDF · 438301
  • Carbamazepine Oral Product SCDG · 1155760
  • Carbamazepine Pill SCDG · 1155761

Brand-Name Concepts

  • 12 HR carbamazepine 400 MG Extended Release Oral Tablet [Tegretol] SBD · 866307
  • Carbamazepine 400 MG [Tegretol] SBDC · 563866
  • Carbamazepine Extended Release Oral Tablet [Tegretol] SBDF · 866302
  • Tegretol Oral Product SBDG · 1180855
  • Tegretol Pill SBDG · 1180856
  • Tegretol BN · 203029

📦 FDA Products & Package NDCs

67 products · 135 package NDCs
135 package NDCs map to RxCUI 402506 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
00832-6022-11 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (0832-6022-11) Carbamazepine Upsher-Smith Laboratories, LLC 2021-04-13
00832-6023-11 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (0832-6023-11) Carbamazepin Upsher-Smith Laboratories, LLC 2021-04-13
00832-6024-11 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (0832-6024-11) Carbamazepine Upsher-Smith Laboratories, LLC 2021-04-13
13668-0284-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-284-01) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0284-05 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-284-05) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0284-22 8 TABLET, EXTENDED RELEASE in 1 BLISTER PACK (13668-284-22) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0284-23 80 TABLET, EXTENDED RELEASE in 1 CARTON (13668-284-23) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0284-30 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-284-30) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0284-60 60 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-284-60) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0285-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-285-01) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0285-05 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-285-05) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0285-22 8 TABLET, EXTENDED RELEASE in 1 BLISTER PACK (13668-285-22) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0285-23 80 TABLET, EXTENDED RELEASE in 1 CARTON (13668-285-23) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0285-30 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-285-30) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0285-60 60 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-285-60) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0286-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-286-01) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0286-05 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-286-05) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0286-30 30 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-286-30) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0286-38 6 TABLET, EXTENDED RELEASE in 1 BLISTER PACK (13668-286-38) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0286-60 60 TABLET, EXTENDED RELEASE in 1 BOTTLE (13668-286-60) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
13668-0286-73 48 TABLET, EXTENDED RELEASE in 1 CARTON (13668-286-73) Carbamazepine Torrent Pharmaceuticals Limited 2025-09-10
16571-0680-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (16571-680-01) CARBAMAZEPINE Rising Pharma Holdings, Inc. 2020-04-24
16571-0681-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (16571-681-01) CARBAMAZEPINE Rising Pharma Holdings, Inc. 2020-04-24
16571-0682-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (16571-682-01) CARBAMAZEPINE Rising Pharma Holdings, Inc. 2020-04-24
16714-0063-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-063-01) carbamazepine Northstar Rx LLC 2021-02-01
16714-0064-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-064-01) carbamazepine Northstar Rx LLC 2021-02-01
16714-0065-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (16714-065-01) carbamazepine Northstar Rx LLC 2021-02-01
27241-0231-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (27241-231-01) Carbamazepine Ajanta Pharma USA Inc. 2023-03-24
27241-0232-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (27241-232-01) Carbamazepine Ajanta Pharma USA Inc. 2023-03-24
27241-0233-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (27241-233-01) Carbamazepine Ajanta Pharma USA Inc. 2023-03-24
35561-0355-12 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-355-12) CARBAMAZEPINE ER Bostal LLC 2022-03-31
35561-0355-13 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-355-13) CARBAMAZEPINE ER Bostal LLC 2025-04-09
35561-0355-99 125729 TABLET, EXTENDED RELEASE in 1 DRUM (35561-355-99) CARBAMAZEPINE ER Bostal LLC 2025-04-27
35561-0356-12 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-356-12) CARBAMAZEPINE ER Bostal LLC 2022-03-31
35561-0356-13 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-356-13) CARBAMAZEPINE ER Bostal LLC 2025-04-09
35561-0356-99 63429 TABLET, EXTENDED RELEASE in 1 DRUM (35561-356-99) CARBAMAZEPINE ER Bostal LLC 2025-04-27
35561-0357-12 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-357-12) CARBAMAZEPINE ER Bostal LLC 2022-03-31
35561-0357-13 500 TABLET, EXTENDED RELEASE in 1 BOTTLE (35561-357-13) CARBAMAZEPINE ER Bostal LLC 2025-04-09
35561-0357-99 33051 TABLET, EXTENDED RELEASE in 1 DRUM (35561-357-99) CARBAMAZEPINE ER Bostal LLC 2025-04-27
42806-0274-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (42806-274-01) Carbamazepine ER Epic Pharma, LLC 2024-06-03
42806-0275-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (42806-275-01) Carbamazepine ER Epic Pharma, LLC 2024-06-03
42806-0276-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE (42806-276-01) Carbamazepine ER Epic Pharma, LLC 2024-06-03
46708-0420-31 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (46708... Carbamazepine Alembic Pharmaceuticals Limited 2025-07-26
46708-0420-91 1000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (4670... Carbamazepine Alembic Pharmaceuticals Limited 2025-07-26
46708-0421-31 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (46708... Carbamazepine Alembic Pharmaceuticals Limited 2025-07-26
46708-0421-91 1000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (4670... Carbamazepine Alembic Pharmaceuticals Limited 2025-07-26
46708-0422-31 100 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (46708... Carbamazepine Alembic Pharmaceuticals Limited 2025-07-26
46708-0422-91 1000 TABLET, FILM COATED, EXTENDED RELEASE in 1 BOTTLE (4670... Carbamazepine Alembic Pharmaceuticals Limited 2025-07-26
50742-0257-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (50742-257... Carbamazepine Ingenus Pharmaceuticals, LLC 2023-08-01
50742-0258-01 100 TABLET, EXTENDED RELEASE in 1 BOTTLE, PLASTIC (50742-258... Carbamazepine Ingenus Pharmaceuticals, LLC 2023-08-01
Observed labelers: Sun Pharmaceutical Industries, Inc. (18) · Torrent Pharmaceuticals Limited (18) · Ascend Laboratories, LLC (12) · Zydus Lifesciences Limited (12) · Zydus Pharmaceuticals (USA) Inc. (12) · Bostal LLC (9) · +16 more — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ 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.