Potassium Chloride Tablet, Extended Release
NDC Package 42291-487-01

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

Potassium Chloride tablets is a medication a mineral supplement used to treat or prevent low amounts of potassium in the blood. This formulation utilizes a tablet, extended release delivery system. Marketed by Avkare, this product is identified by NDC 42291-487 and is authorized under FDA application ANDA218979.

Identification & Billing

NDC Package Code
42291-487-01
Package Description
100 TABLET, EXTENDED RELEASE in 1 BOTTLE
Product Code
42291-487
11-Digit Billing Format
42291048701
Billing Unit
EA - Billing unit of "each" is used when the product is dispensed in discreet units.
Units Per Package
100 EA
RxNorm Crosswalk
  • RxCUI: 628953 - potassium chloride 10 MEQ (750 MG) Extended Release Oral Tablet
  • RxCUI: 628953 - potassium chloride 10 MEQ Extended Release Oral Tablet
  • RxCUI: 628953 - K+ Chloride 10 MEQ Extended Release Oral Tablet
  • RxCUI: 628953 - Pot Chloride 10 MEQ Extended Release Oral Tablet
  • RxCUI: 628953 - potassium chloride 750 MG (potassium 10 mEq) Extended Release Oral Tablet

Clinical Specifications

Proprietary Name
Potassium Chloride
Non-Proprietary Name
Potassium Chloride
Substance Name
Potassium Chloride
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)
POTASSIUM CHLORIDE 750 mg/1
Pharmacologic Class
Usage Information
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood. A normal level of potassium in the blood is important. Potassium helps your cells, kidneys, heart, muscles, and nerves work properly. Most people get enough potassium by eating a well-balanced diet. Some conditions that can lower your body's potassium level include severe prolonged diarrhea and vomiting, hormone problems such as hyperaldosteronism, or treatment with "water pills"/diuretics.

Regulatory & Marketing

Labeler Name
Avkare
Product Type
Human Prescription Drug
FDA Application #
ANDA218979
Marketing Category
ANDA - A product marketed under an approved Abbreviated New Drug Application.
Start Marketing Date
08-08-2025
Listing Expiration
12-31-2026
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 (42291-487). Click a package code to view its specific billing and regulatory data.

42291-487-50
500 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 42291-487-01 identifies a specific commercial package of 100 tablet, extended release in 1 bottle of Potassium Chloride, a human prescription drug labeled by Avkare. This product is billed for "EA" each discreet unit and contains an estimated amount of 100 billable units per package. This tablet, extended release is formulated for oral use and contains potassium chloride 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 Avkare on August 08, 2025. The current certification is valid through December 31, 2026.

What are the primary indications for this medication?

This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood. A normal level of potassium in the blood is important. Potassium helps your cells, kidneys, heart, muscles, and nerves work properly. Most people get enough potassium by eating a well-balanced diet. Some conditions that can lower your body's potassium level include severe prolonged diarrhea and vomiting, hormone problems such as hyperaldosteronism, or treatment with "water pills"/diuretics.

How is this Avkare product billed for insurance claims?

For medical billing and reimbursement, this package follows the 11-digit CMS format: 42291048701. Quantities are measured in per "each", products billed on a per each basis are usually products dispensed in discreet units.. There are 100 total billable units per package. 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)
42291-487-01
11-Digit CMS (5-4-2)
42291-0487-01

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