GJC2-related late-onset primary lymphedema

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GJC2-related late-onset primary lymphedema

ORPHA:568051Disease

What it is

A rare genetic primary lymphedema characterized by lymphedema of all four limbs with age of onset ranging from birth to adulthood. Manifestations are of variable severity, and upper limb involvement may develop only later in the disease course. Recurrent episodes of cellulitis and skin infections are observed in severe cases. Varicose veins and venous incompetence have been reported in association.

Key facts

Age of onset
Adolescent, Adult, Childhood
Inheritance
Autosomal dominant
Classified as
Disease

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.

Gene

GJC2Disease-causing germline mutation(s)

ICD-10 codes

Q82.0filed under a broader ICD-10 category — shared with 11 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 0035472OMIM 613480UMLS C5681305

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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