Rett syndrome

Definition

Definite diagnosis of a genetic disorder affecting the development of the central nervous system. The diagnosis of Rett syndrome must be characterized by at least 2 of the following:

• partial or complete loss of the use of the hands;
• partial or complete loss of acquired language;
• deterioration of the ability to crawl or walk;
• stereotypic hand movements (e.g., clapping, wringing, rubbing, tapping).

Any loss or developmental deterioration must be followed by a period of recovery or stabilization.

The diagnosis of Rett syndrome must be made by a specialist.

Exclusion

• No benefit will be payable under the definition of “Rett syndrome” for an insured person whose 3rd birthday occurs prior to the effective date of this coverage.
• No benefit will be payable under the definition of “Rett syndrome” if the diagnosis is made after the insured person’s 6th birthday.