Autosomal recessive generalized…

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Autosomal recessive generalized dystrophic epidermolysis bullosa, severe form

ORPHA:79408Disease

Also called Autosomal recessive dystrophic epidermolysis bullosa generalisata gravis · Autosomal recessive dystrophic epidermolysis bullosa, Hallopeau-Siemens type · Generalized RDEB, severe form · RDEB generalisata gravis · RDEB, Hallopeau-Siemens type · Severe generalized RDEB

What it is

A severe form of dystrophic epidermolysis bullosa (DEB) characterized by generalized cutaneous and mucosal blistering and scarring associated with severe deformities and major extracutaneous involvement.

Key facts

Prevalence
1-9 / 1 000 000 (Europe)
Age of onset
Neonatal
Inheritance
Autosomal recessive
Classified as
Disease

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.

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

Genes

COL7A1Disease-causing germline mutation(s) (loss of function)

1 modifying gene — variants that can change how the disease behaves, not cause it

MMP1

ICD-10 codes

Q81.2filed under a broader ICD-10 category — shared with 10 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

GARD 6308MONDO 0009179OMIM 226600UMLS C4510043

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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