Bilateral multicystic dysplastic kidney

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Bilateral multicystic dysplastic kidney

ORPHA:97364Clinical subtype

Also called Bilateral MCDK · Bilateral multicystic renal dysplasia

What it is

A rare lethal form of multicystic dysplastic kidney (MCDK), a congenital anomaly of the kidney and urinary tract (CAKUT), in which both kidneys are large, distended by non-communicating multiple cysts and non-functional.

Key facts

Age of onset
Antenatal, Neonatal
Inheritance
Autosomal dominant
Classified as
Clinical subtype

Recorded for the broader condition

Prevalence
1-5 / 10 000 (at birth)Multicystic dysplastic kidney

Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.

Gene

HNF1BDisease-causing germline mutation(s)

ICD-10 codes

Q61.4filed under a broader ICD-10 category — shared with 5 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

GARD 9517MESH C537373MONDO 0019982UMLS C1840451

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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