FL H0411

Adds Tatton-Brown-Rahman syndrome to Florida's official list of recognized developmental disabilities, joining intellectual disability, cerebral palsy, autism, spina bifida, Down syndrome, Phelan-McDermid syndrome, and Prader-Willi syndrome

Defines Tatton-Brown-Rahman syndrome as a disorder caused by mutation in the DNMT3A gene, characterized by mild to severe intellectual disability, macrocephaly, and stature/weight two or more standard deviations above the mean

Additional clinical features of the syndrome include mild facial dysmorphism, joint hypermobility, hypotonia, kyphoscoliosis, seizures, cryptorchidism, behavioral deficits, and hematologic malignancies presenting in infancy, childhood, or adolescence

Individuals diagnosed with Tatton-Brown-Rahman syndrome will become eligible for state developmental disability services under Chapter 393, Florida Statutes

Effective date: July 1, 2026