Leukocyte adhesion deficiency type III

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Leukocyte adhesion deficiency type III

ORPHA:99844Clinical subtype

Also called LAD-1 variant · LAD-III · Leukocyte adhesion deficiency-1 variant

What it is

A form of leukocyte adhesion deficiency (LAD) characterized by both severe bacterial infections and a severe bleeding disorder.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Childhood, Infancy
Inheritance
Autosomal recessive
Classified as
Clinical subtype

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.

Gene

FERMT3Disease-causing germline mutation(s) (loss of function)

ICD-10 codes

D84.8filed under a broader ICD-10 category — shared with 39 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

MESH C567555MONDO 0013016OMIM 612840UMLS C2748536

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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