Ankylostomiasis

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Ankylostomiasis

ORPHA:78Disease

Also called Ancylostomiasis · Hookworm infection

What it is

A hookworm infection caused primarily by the species Ancylostoma duodenale or Necator americanus, usually acquired through penetration of the skin, (often asymptomatic but that can also manifest with an allergic reaction at the site of skin penetration), followed by the migration of larva through the bloodstream to the lungs (causing asymptomatic pneumonitis, eosinophilia) and finally reaching and colonizing the small intestines where they cause blood extravasation leading to diarrhea, abdominal pain, and when untreated, melena, iron-deficiency anemia and protein malnutrition.

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Disease

ICD-10 codes

B76.0ICD-10 uses a narrower term
B76.1ICD-10 uses a narrower term
B76.8ICD-10 uses a narrower term
B76.9ICD-10 uses a narrower term — shared with 1 other rare disease

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 9742MEDDRA 10002255MESH D000724MONDO 0005645UMLS C0002831

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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