Rett syndrome

Rare, genetic, and present at birth, Children and teens.

No burden figure has been reviewed for this condition yet. A blank topic means no one has checked the published record. It does not mean the condition is rare or mild.

Medical codes

• ICD-10-CM FY2026: F84.2 Rett's syndrome (exact)

Research activity

As of 2026-09-24: 101 registered studies on ClinicalTrials.gov (search Rett Syndrome) and 947 PubMed records, 2021 to 2025. A count of records is not how common or serious the condition is.

Population information, not medical advice. Methodology · Known limitations