Carbamazepine Tablet, Extended Release
NDC Package 13668-285-22

11-digit billing NDC: 13668028522

Package Information

Carbamazepine tablets is carbamazepine should not be used in patients with a history of previous bone marrow depression, hypersensitivity to the drug, or known sensitivity to any of the tricyclic compounds, such as amitriptyline, desipramine, imipramine, protriptyline, nortriptyline, etc. This formulation utilizes a tablet, extended release delivery system. Marketed by Torrent Pharmaceuticals Limited, this product is identified by NDC 13668-285 and is authorized under FDA application ANDA212524.

Identification & Billing

NDC Package Code
13668-285-22
Package Description
8 TABLET, EXTENDED RELEASE in 1 BLISTER PACK
Product Code
11-Digit Billing Format
13668028522
RxNorm Crosswalk
  • RxCUI: 199378 - carBAMazepine 100 MG 12HR Extended Release Oral Tablet
  • RxCUI: 199378 - 12 HR carbamazepine 100 MG Extended Release Oral Tablet
  • RxCUI: 199378 - carbamazepine 100 MG 12 HR Extended Release Oral Tablet
  • RxCUI: 402505 - carBAMazepine 200 MG 12HR Extended Release Oral Tablet
  • RxCUI: 402505 - 12 HR carbamazepine 200 MG Extended Release Oral Tablet

Clinical Specifications

Proprietary Name
Carbamazepine
Non-Proprietary Name
Carbamazepine
Substance Name
Carbamazepine
Dosage Form
Tablet, Extended Release - A solid dosage form containing a drug which allows at least a reduction in dosing frequency as compared to that drug presented in conventional dosage form.
Administration Route
Oral - Administration to or by way of the mouth.
Active Ingredient(s)
Usage Information
Carbamazepine should not be used in patients with a history of previous bone marrow depression, hypersensitivity to the drug, or known sensitivity to any of the tricyclic compounds, such as amitriptyline, desipramine, imipramine, protriptyline, nortriptyline, etc. Likewise, on theoretical grounds its use with monoamine oxidase (MAO) inhibitors is not recommended. Before administration of carbamazepine, MAO inhibitors should be discontinued for a minimum of 14 days, or longer if the clinical situation permits.Coadministration of carbamazepine and nefazodone may result in insufficient plasma concentrations of nefazodone and its active metabolite to achieve a therapeutic effect. Coadministration of carbamazepine with nefazodone is contraindicated.

Regulatory & Marketing

Labeler Name
Torrent Pharmaceuticals Limited
Product Type
Human Prescription Drug
FDA Application #
ANDA212524
Marketing Category
ANDA - A product marketed under an approved Abbreviated New Drug Application.
Start Marketing Date
09-10-2025
Listing Expiration
12-31-2027
Exclude Flag
N
Sample Package
No

Hierarchy Structure

Code Lineage

The NDC Directory contains ONLY information on final marketed drugs submitted to FDA electronically by labelers. A labeler might be a manufacturer, re-packager or re-labeler. The product information included in the NDC directory does not indicate that FDA has verified the information provided by the product labeler. Assigned NDC numbers are not in any way an indication of FDA approval of the product.

* Please review the full disclaimer at the bottom of this page.

Other Available Packages

The following commercial packages are registered under the same Product NDC (13668-285). Click a package code to view its specific billing and regulatory data.

100 TABLET, EXTENDED RELEASE in 1 BOTTLE
500 TABLET, EXTENDED RELEASE in 1 BOTTLE
80 TABLET, EXTENDED RELEASE in 1 CARTON
30 TABLET, EXTENDED RELEASE in 1 BOTTLE
60 TABLET, EXTENDED RELEASE in 1 BOTTLE

* Please review the full disclaimer at the bottom of this page.

Frequently Asked Questions

What is the distribution configuration for this product package?

The code 13668-285-22 identifies a specific commercial package of 8 tablet, extended release in 1 blister pack of Carbamazepine, a human prescription drug labeled by Torrent Pharmaceuticals Limited. This tablet, extended release is formulated for oral use and contains carbamazepine as the active substance.

Is this product currently listed with the FDA?

Yes, this product is active and verified within the NDC Directory. It was introduced to the market by Torrent Pharmaceuticals Limited on September 10, 2025. The current certification is valid through December 31, 2027.

How is this Torrent Pharmaceuticals Limited product billed for insurance claims?

For medical billing and reimbursement, this package follows the 11-digit CMS format: 13668028522. The table below illustrates the segment conversion from the 10-digit labeler code to the 11-digit provider format.

11-Digit Code Conversion

Billing payers usually require a 5-4-2 segment configuration. Below is the conversion from the 10-digit package format to the 11-digit billing format:

10-Digit Format (5-3-2)
13668-285-22
11-Digit CMS (5-4-2)
13668-0285-22

Note: The zero is added to the Product segment to maintain the 5-4-2 structure.