X-linked sideroblastic anemia

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X-linked sideroblastic anemia

ORPHA:75563Disease

Also called XLSA

What it is

X-linked sideroblastic anemia is a constitutional microcytic, hypochromic anemia of varying severity that is clinically characterized by manifestations of anemia and iron overload and that may respond to treatment with pyridoxine and folic acid.

Key facts

Age of onset
All ages
Inheritance
X-linked recessive
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

ALAS2Disease-causing germline mutation(s)

ICD-10 codes

D64.0filed under a broader ICD-10 category — shared with 7 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

GARD 9456MESH C536761MONDO 0020721OMIM 300751UMLS C4551511

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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