Laronidase (Aldurazyme)

Section: Injections
Effective Date: October 01, 2019
Revised Date: September 30, 2019


Laronidase (Aldurazyme®) is used to treat mucopolysaccharidosis I (MPS I), an autosomal recessive disorder which causes a deficiency of alpha-L-iduronidase, an enzyme required to break down glycosaminoglycans.


Coverage is subject to the specific terms of the member’s benefit plan.

Federal Employee Program members (FEP) should check with their Retail Pharmacy Program to determine if prior approval is required by calling the Retail Pharmacy Program at 1-800-624-5060 (TTY: 1-800-624-5077). FEP members can also obtain the list through the website.

Laronidase (Aldurazyme) may be considered medically necessary for individuals with the following:

Diagnosis of ANY ONE of the following forms of mucopolysaccharidosis type I:

  • Hurler; or
  • Hurler-Scheie; or
  • Scheie form with moderate to severe symptoms.

The use of laronidase (Aldurazyme) is considered experimental/investigational and therefore are non-covered for all other indications. Scientific evidence does not support the use of laronidase (Aldurazyme) for any other indication.

Procedure Codes


Note: In addition to the above criteria, product specific dosage and/or frequency limits may apply in accordance with the U.S. Food and Drug Administration (FDA)-approved product prescribing information, national compendia, Centers for Medicare and Medicaid Services (CMS) and other peer reviewed resources or evidence-based guidelines. Blue Cross and Blue Shield of North Dakota may deny, in full or in part, reimbursement for utilization that does not fall within the applicable dosage and/or frequency limits.

Diagnosis Codes

Covered Diagnosis Codes for J1931

E76.01 E76.02 E76.03