3q26 microduplication syndrome

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3q26 microduplication syndrome

ORPHA:96095Malformation syndrome

Also called Dup(3)(q26) · Dup(3q) syndrome · Trisomy 3q26

What it is

A rare chromosomal anomaly characterized by prenatal and postnatal growth retardation, developmental delay, intellectual impairment, dysmorphic signs and variable combination of congenital anomalies, including cardiovascular, genitourinary and skeletal anomalies and spectrum of caudal malformations.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Antenatal, Neonatal
Classified as
Malformation syndrome

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

ICD-10 codes

Q92.3filed under a broader ICD-10 category — shared with 60 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0019878UMLS C4755319

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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