intellectual disability, X-linked 104

Findings

No curated finding names intellectual disability, X-linked 104 yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

Inheritance

X-linked recessive inheritance

Onset and course

Infantile onset

HPO, annotations 2026-09-02

What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.

Germline variants in the gene encoding each protein, as classified by GenCC submitters, each in their own words. Limited, disputed and refuted submissions are listed too.

Where it sits

A kind of

• non-syndromic X-linked intellectual disability

Resolves to: intellectual disability, X-linked 104

Also called

FRMPD4 non-syndromic X-linked intellectual disabilityintellectual developmental disorder, X-linked 104intellectual disability, X-linked type 104mental retardation, X-linked 104mental retardation, X-linked type 104MRX104non-syndromic X-linked intellectual disability caused by mutation in FRMPD4