Hyperimmunoglobulin M Syndrome C0272236
A rare immune system disorder where the body cannot produce certain protective antibodies. Patients experience frequent bacterial infections throughout life. Regular immunoglobulin therapy and antibiotics help manage infections.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Pneumocystis jirovecii pneumonia
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Recurrent bacterial respiratory infections
(immunologic)Chronic Cryptosporidium diarrhea
(immunologic)Autoimmune thrombocytopenia
(immunologic)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
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Immunoglobulin Replacement Therapy
Regular intravenous or subcutaneous immunoglobulin infusions provide passive immunity against encapsulated bacteria and reduce infectious complications in this antibody deficiency state.
Prophylactic Antibiotics
Daily or intermittent antibiotic prophylaxis, typically with trimethoprim-sulfamethoxazole, reduces recurrent bacterial infections and is often combined with immunoglobulin therapy.
Additional treatment options
Immunologic and Infectious Surveillance
Regular monitoring of immunoglobulin levels, infection frequency, and organ function helps guide therapy adjustments and detect complications early.
monitoringGranulocyte Colony-Stimulating Factor
May be used during neutropenic episodes to stimulate neutrophil production and improve defense against bacterial infections in affected patients.
medicationInfection Prevention Strategies
Meticulous hand hygiene, food safety practices, and avoiding contact with infected individuals reduces exposure to opportunistic pathogens.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Hyperimmunoglobulin M Syndrome C0272236?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Hyperimmunoglobulin M Syndrome C0272236. 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