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                    You are about to enter the MassHealth Trading Partner Testing (TPT) environment where organizations may test transaction prior to submitting them to MassHealth in production. If you intended to submit transactions in the MassHealth production environment, please use the following URL:

                    Active MassHealth trading partners may utilize this TPT environment to test HIPAA transactions supported by MassHealth prior to the provider’s adoption of a specific transaction, or MassHealth’s implementation of any applicable state/federal mandates and agency initiatives.

                    The following transactions are available to test within this environment: 270/271, 276/277, 837P, 837I. Providers may also utilize the Direct Data Entry (DDE) panels to test corresponding claims and eligibility inquiries.

                    If you have any questions about the use of this test environment or test submissions, please contact MassHealth Customer Services at 1-800-841-2900 or via email at

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