National Drug Code (NDC) Units Calculator Tool via Availity 

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. Contracted BCBSTX providers may also visit our secure site via the link on our Provider website homepage to access the NDC Units Calculator Tool and NDC Reimbursement Information.

You must be registered with Availity to access to the NDC Units Calculator tool on Availity. You can sign up today at Availity, at no charge. For registration help, call Availity Client Services at 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 2021 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 any products or services provided by third party vendors such as Availity. 

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.