Rieger anomaly

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Rieger anomaly

ORPHA:91483Morphological anomaly

What it is

Rieger's anomaly is a congenital ocular defect caused by anterior segment dysgenesis and is characterized by severe anterior chamber deformity with prominent strands and marked atrophy of the iris stroma, with hole or pseudo-hole formation and corectopia. The term covers the association of these iris and pupil anomalies with the features of Axenfeld’s anomaly.

Key facts

Age of onset
Neonatal
Inheritance
Autosomal dominant
Classified as
Morphological anomaly

Genes

FOXC1Disease-causing germline mutation(s)
PITX2Disease-causing germline mutation(s)

ICD-10 codes

Q13.8filed under a broader ICD-10 category — shared with 13 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.

Cross-references

MEDDRA 10059198MONDO 0019628OMIM 137600OMIM 601631OMIM 602482UMLS C0265341

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.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.