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Combined Immunodeficiency X Linked C6022467

Published: July 22, 2026Updated: August 20, 2026

A genetic condition primarily affecting males that impairs immune function, making patients vulnerable to recurrent infections. Treatment may include bone marrow transplant, infection prevention, and immune support.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

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

!

Recurrent severe bacterial, viral, and fungal infections

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Opportunistic infection such as Pneumocystis jirovecii pneumonia

Generalized symptoms

(immunologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Failure to thrive in infancy

(immunologic)

Chronic diarrhea with malabsorption

(immunologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Hematopoietic Stem Cell Transplantation

HSCT replaces the defective immune system with healthy donor stem cells. This is the primary curative approach for X-linked combined immunodeficiency, ideally performed before severe infections occur.

surgical
2

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Immunoglobulin Replacement Therapy

Regular intravenous or subcutaneous immunoglobulin infusions provide passive immunity against common pathogens. This addresses the antibody deficiency component of the disease.

medication

Additional treatment options

Antimicrobial Prophylaxis

Combination antibiotic and antiviral prophylaxis prevents opportunistic infections common in combined immunodeficiency. Trimethoprim-sulfamethoxazole is commonly used for PCP prevention.

medication

Infection Prevention Measures

Strict hand hygiene, avoiding crowds, and ensuring clean water and food reduces exposure to pathogens. Protective isolation measures are recommended during high-risk periods.

lifestyle

Regular Immunological Monitoring

Serial measurement of lymphocyte subsets, immunoglobulin levels, and vaccine responses guides treatment adjustments and detects complications early.

monitoring

When 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.

Q

What is Combined Immunodeficiency X Linked C6022467?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Combined Immunodeficiency X Linked C6022467. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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