SECTION 1. Chapter 32A of the General Laws is hereby amended by inserting after section 25 the following section:-

Section 25A. For purposes of this section, “Down syndrome” shall mean a chromosomal condition caused by an error in cell division that results in the presence of an extra whole or partial copy of chromosome 21. The commission shall provide to any active or retired employee of the commonwealth who is insured under the group insurance commission coverage for the treatment of Down syndrome through speech therapy, occupational therapy, physical therapy and applied behavior analysis services. 

SECTION 2. Chapter 118E of the General Laws is hereby amended by inserting after section 10H the following section:-

Section 10H1/2. For purposes of this section, “Down syndrome” shall mean a chromosomal condition caused by an error in cell division that results in the presence of an extra whole or partial copy of chromosome 21. The division and its contracted health insurers, health plans, health maintenance organizations, behavioral health management firms and third-party administrators under contract to a Medicaid managed care organization or primary care clinician plan shall provide coverage for the treatment of Down syndrome through speech therapy, occupational therapy, physical therapy and applied behavior analysis services. 

SECTION 3. Chapter 175 of the General Laws is hereby amended by inserting after section 47AA the following section:-

Section 47AA1/2. For purposes of this section, “Down syndrome” shall mean a chromosomal condition caused by an error in cell division that results in the presence of an extra whole or partial copy of chromosome 21. Any policy, contract, agreement, plan or certificate of insurance issued, delivered or renewed within the commonwealth, which is considered creditable coverage under section 1 of chapter 111M, shall provide coverage for the treatment of Down syndrome through speech therapy, occupational therapy, physical therapy and applied behavior analysis services. 

SECTION 4. Chapter 176A of the General Laws is hereby amended by inserting after section 8DD the following section:-

Section 8DD1/2. For purposes of this section, “Down syndrome” shall mean a chromosomal condition caused by an error in cell division that results in the presence of an extra whole or partial copy of chromosome 21. Any contract between a subscriber and the corporation under an individual or group hospital service plan that is delivered, issued or renewed within the commonwealth shall provide coverage for the treatment of Down syndrome through speech therapy, occupational therapy, physical therapy and applied behavior analysis services. 

SECTION 5. Chapter 176B of the General laws is hereby amended by inserting after section 4DD the following section:-

Section 4DD1/2. For purposes of this section, “Down syndrome” shall mean a chromosomal condition caused by an error in cell division that results in the presence of an extra whole or partial copy of chromosome 21. A subscription certificate under an individual or group medical service agreement delivered, issued or renewed within the commonwealth shall provide coverage for the treatment of Down syndrome through speech therapy, occupational therapy, physical therapy and applied behavior analysis services. 

SECTION 6. Chapter 176G of the General Laws is hereby amended by inserting after section 4V the following section:-

Section 4V1/2. For purposes of this section, “Down syndrome” shall mean a chromosomal condition caused by an error in cell division that results in the presence of an extra whole or partial copy of chromosome 21. An individual or group health maintenance contract that is issued or renewed in the commonwealth shall provide coverage for the treatment of Down syndrome through speech therapy, occupational therapy, physical therapy and applied behavior analysis services. 

SECTION 7. This act shall take effect on January 1, 2026.