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Etranacogene Dezaparvovec-drlb (Hemgenix) a Benefit of Texas Medicaid Effective October 1, 2023

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Note: Texas Medicaid managed care organizations (MCOs) must provide all medically necessary, Medicaid-covered services to Medicaid members who are enrolled in their MCO. Administrative procedures, such as prior authorization, precertification, referrals, and claims and encounter data filing, may differ from traditional Medicaid (fee-for-service) and from MCO to MCO. Providers should contact the member’s specific MCO for details.

Effective for dates of service on or after October 1, 2023, etranacogene dezaparvovec-drlb (Hemgenix) (procedure code J1411) is a benefit of Texas Medicaid when submitted for clients who are 18 years of age or older. Procedure code J1411 is restricted to diagnosis code D67 and may be reimbursed as follows:

  • To physician assistant, nurse practitioner, clinical nurse specialist, and physician providers for services rendered in the office setting
  • To hospital providers for services rendered in the outpatient hospital setting

Etranacogene dezaparvovec-drlb (Hemgenix) is an adeno-associated virus vector-based gene therapy indicated to treat adult clients with Hemophilia B (congenital Factor IX deficiency).

Etranacogene dezaparvovec-drlb (Hemgenix) is limited to one infusion per lifetime.

Prior Authorization Criteria

Beginning November 1, 2023, prior authorization will be required for etranacogene dezaparvovec-drlb (Hemgenix).

Etranacogene dezaparvovec-drlb (Hemgenix) is for clients who meet the following requirements:

  • The client is 18 years of age or older.
  • The client has a confirmed diagnosis of Hemophilia B (diagnosis code D67) and all other bleeding disorders not related to Hemophilia B have been ruled out.
  • The client must meet one of the following criteria:
    • The client is currently using Factor IX prophylaxis therapy.
    • The client has current or historical life-threatening hemorrhage.
    • The client has a history of repeated, serious spontaneous bleeding episodes.
  • A Factor IX inhibitor titer testing must be performed, and the client must have a baseline anti-AAV5 antibody titer of less than or equal to 1:678.
  • The client must be tested for Factor IX inhibitor presence, and the testing result must be negative.
    • If testing yields a positive result, a second Factor IX inhibitor titer test should be performed within two weeks.
    • Etranacogene dezaparvovec-drlb (Hemgenix) should not be administered if the results for the initial and second test for human Factor IX inhibitor are positive.
  • A baseline liver condition and function assessment must be assessed prior to etranacogene dezaparvovec-drlb (Hemgenix) infusion.
    • Documentation must include but is not limited to alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), and total bilirubin.
    • Documentation of hepatic ultrasound and elastography must be provided.
  • The client has not previously been treated with etranacogene dezaparvovec-drlb (Hemgenix) infusion.

Additional Requirements

The following monitoring parameters are required following etranacogene dezaparvovec-drlb (Hemgenix) infusion:

  • Liver transaminase levels must be assessed once weekly for at least three months after etranacogene dezaparvovec-drlb (Hemgenix) infusion to monitor for any signs of potential hepatotoxicity.
  • Factor IX activity must be monitored weekly for at least three months post-infusion.

For more information, call the TMHP Contact Center at 800-925-9126.