Constitutional megaloblastic anemia

Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.

Start free with Eleplan

Constitutional megaloblastic anemia with severe neurologic disease

ORPHA:319651Disease

Also called DHFR deficiency · Dihydrofolate reductase deficiency

What it is

Orphanet has not published a description for this disease yet. The identifiers, classification and cross-references below are still current.

Key facts

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

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

DHFRDisease-causing germline mutation(s)

ICD-10 codes

D52.8filed under a broader ICD-10 category — 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.

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 11000MESH C565095MONDO 0013456OMIM 613839UMLS C3151205

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.

Powered by Eleplan

A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.