National Drug Code (NDC) Units Calculator Tool via Availity® Essentials

The NDC Units Calculator is a user-friendly online tool that allows providers to convert applicable classified or specified Healthcare Common Procedure Coding System (HCPCS) or Current Procedural Terminology (CPT®) codes to NDC units. This tool (also known as RC Claim AssistTM) is hosted by RJ Health Systems, an independent third-party pharmaceutical specialty company.

The NDC Units Calculator is accessible in the Blue Cross and Blue Shield of Texas (BCBSTX) branded Payer Spaces section via Availity® Essentials. 

To access the NDC Units Calculator tool you must be registered with Availity. You can sign up on Availity at no charge. For registration help, call Availity Client Services at 1-800-282-4548.

For navigation help and other details, refer to the NDC Units Calculator Tool User Guide.


Email our Provider Education Consultants. Be sure to include your name, direct contact information, Tax ID and/or billing NPI.

CPT copyright 2023 American Medical Association (AMA). All rights reserved. CPT is a registered trademark of the AMA.

Availity is a trademark of Availity, LLC, a separate company that operates a health information network to provide electronic information exchange services to medical professionals. Availity provides administrative services to BCBSTX. 

 BCBSTX makes no endorsement, representations or warranties regarding third party vendors and the products they offer.

RC Claim AssistTM Copyright 2021 RJ Health Systems International, LLC. RC Claim AssistTM is a product of RJ Health Systems. RJ Health Systems International, LLC is an independent third-party vendor that is solely responsible for its products and services.