Acid Reducer Tablet, Film Coated
NDC Package 51316-511-71

View Billable Units, 11-Digit Conversion Format, and RxNorm mappings
Table of Contents
    1. Package Information
    2. Other Packages
    3. Frequently Asked Questions

Package Information

Acid Reducer (famotidine) tablets is ranitidine is known as an H2 blocker. This formulation utilizes a tablet, film coated delivery system. Marketed by Cvs Woonsocket Prescription Center, Incorporated, this product is identified by NDC 51316-511 and is authorized under FDA application ANDA077351.

Identification & Billing

NDC Package Code
51316-511-71
Package Description
1 BOTTLE in 1 CARTON / 50 TABLET, FILM COATED in 1 BOTTLE
Product Code
51316-511
11-Digit Billing Format
51316051171
RxNorm Crosswalk
RxCUI: 310273 - famotidine 20 MG Oral Tablet

Clinical Specifications

Proprietary Name
Acid Reducer
Non-Proprietary Name
Famotidine
Substance Name
Famotidine
Dosage Form
Tablet, Film Coated - A solid dosage form that contains medicinal substances with or without suitable diluents and is coated with a thin layer of a water-insoluble or water-soluble polymer.
Administration Route
Oral - Administration to or by way of the mouth.
Active Ingredient(s)
FAMOTIDINE 20 mg/1
Pharmacologic Class
Usage Information
Ranitidine is known as an H2 blocker. It works by reducing the amount of acid in your stomach. It is used to prevent and treat heartburn and other symptoms caused by too much acid in the stomach (acid indigestion). This drug has been withdrawn from the US market due to problems with safety. A possible cancer-causing impurity has been found in some ranitidine products.

Regulatory & Marketing

Labeler Name
Cvs Woonsocket Prescription Center, Incorporated
Product Type
Human Otc Drug
FDA Application #
ANDA077351
Marketing Category
ANDA - A product marketed under an approved Abbreviated New Drug Application.
Start Marketing Date
04-13-2026
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 (51316-511). Click a package code to view its specific billing and regulatory data.

51316-511-63
1 BOTTLE in 1 CARTON / 25 TABLET, FILM COATED in 1 BOTTLE
51316-511-78
1 BOTTLE in 1 CARTON / 100 TABLET, FILM COATED 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 51316-511-71 identifies a specific commercial package of 1 bottle in 1 carton / 50 tablet, film coated in 1 bottle of Acid Reducer, a human over the counter drug labeled by Cvs Woonsocket Prescription Center, Incorporated. This tablet, film coated is formulated for oral use and contains famotidine 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 Cvs Woonsocket Prescription Center, Incorporated on April 13, 2026. The current certification is valid through December 31, 2027.

What are the primary indications for this medication?

Ranitidine is known as an H2 blocker. It works by reducing the amount of acid in your stomach. It is used to prevent and treat heartburn and other symptoms caused by too much acid in the stomach (acid indigestion). This drug has been withdrawn from the US market due to problems with safety. A possible cancer-causing impurity has been found in some ranitidine products.

How is this Cvs Woonsocket Prescription Center, Incorporated product billed for insurance claims?

For medical billing and reimbursement, this package follows the 11-digit CMS format: 51316051171. 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)
51316-511-71
11-Digit CMS (5-4-2)
51316-0511-71

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