Intermediate generalized junctional…

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Intermediate generalized junctional epidermolysis bullosa

ORPHA:79402Disease

Also called Generalized atrophic benign epidermolysis bullosa · Generalized junctional epidermolysis bullosa, non-Herlitz type · Intermediate generalized JEB · Junctional epidermolysis bullosa generalisata mitis · Junctional epidermolysis bullosa, Disentis type

What it is

A form of junctional epidermolysis bullosa (JEB) characterized by generalized skin blistering, atrophic scarring, nail dystrophy or nail absence, and enamel hypoplasia, with extracutaneous involvement.

Key facts

Age of onset
Neonatal
Inheritance
Autosomal recessive
Classified as
Disease

Recorded for the broader condition

Prevalence
<1 / 1 000 000 (Sweden)Junctional epidermolysis bullosa

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.

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

COL17A1Disease-causing germline mutation(s)
ITGB4Disease-causing germline mutation(s)
LAMA3Disease-causing germline mutation(s)
LAMB3Disease-causing germline mutation(s)
LAMC2Disease-causing germline mutation(s)

ICD-10 codes

Q81.8filed under a broader ICD-10 category — shared with 8 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

MONDO 0019307OMIM 226650OMIM 619783OMIM 619785OMIM 619787OMIM 619816UMLS C0432326

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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