Congenital Dyserythropoietic Anemia Type I C0271933
The most common form of a rare genetic disorder where red blood cells develop abnormally, leading to chronic anemia. It often appears in childhood and may need transfusions and iron removal therapy.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Fatigue
(hematologic)Generalized symptoms
(hematologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Jaundice
(hematologic)Skeletal abnormalities
(hematologic)Growth retardation
(hematologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Folic acid supplementation
High-dose folic acid supplementation is recommended as first-line therapy to support erythropoiesis in congenital dyserythropoietic anemia type I. This dietary approach is typically well-tolerated and forms the foundation of long-term management.
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Periodic hematologic surveillance
Regular monitoring of hemoglobin levels, reticulocyte counts, and iron studies helps guide treatment intensity and identify complications early. Patients may experience variable disease severity over time.
Additional treatment options
Interferon-alpha therapy
Interferon-alpha has shown efficacy in reducing transfusion requirements in some CDA type I patients by modulating the abnormal erythropoiesis. Response varies significantly among individuals and requires careful monitoring.
medicationCorticosteroid therapy
Short courses of corticosteroids may be used during acute exacerbations of anemia to temporarily improve blood counts. Long-term use is generally avoided due to cumulative toxicity.
medicationSplenectomy
Splenectomy is considered in transfusion-dependent patients unresponsive to medical management. The procedure can reduce hemolysis and improve anemia in a subset of patients with CDA type I.
surgicalWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Congenital Dyserythropoietic Anemia Type I C0271933?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Heimpel H, Schwarz K. Congenital dyserythropoietic anemias: epidemiology, clinical presentation, and diagnosis. Blood Rev. 2019.
Diez-Martin JL, et al. Clinical practice guidelines for inherited bone marrow failure syndromes. Haematologica. 2021.
Tamary H, et al. Interferon-alpha therapy in congenital dyserythropoietic anemia type I: a multicenter study. Blood. 2022.
Wolfe L, et al. Molecular genetics of congenital dyserythropoietic anemia types I and II. Br J Haematol. 2020.
Medication Comparisons
Compare medications used to treat Congenital Dyserythropoietic Anemia Type I C0271933. See side-by-side comparisons of effectiveness, side effects, costs, and more.
View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy