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Leukocyte Adhesion Deficiency 1 C0398738

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

A rare inherited immune disorder where white blood cells cannot properly reach infection sites. Patients experience recurrent severe infections from infancy. Treatment involves aggressive infection management and potentially bone marrow transplant.

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 bacterial infections

Delayed umbilical cord separation

(immunologic)

Generalized symptoms

(immunologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe early-onset periodontitis

(immunologic)

Impaired wound healing

(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

Combination drug regimen with regular assessment

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

medication
2

Hematopoietic Stem Cell Transplantation (HSCT)

Potentially curative treatment that replaces defective immune cells with healthy donor stem cells. Requires careful donor matching and immunosuppressive conditioning regimen before transplantation.

surgical
3

Aggressive Antibiotic Prophylaxis

Long-term prophylactic antibiotics to prevent bacterial infections that patients with LAD-1 cannot effectively combat due to impaired neutrophil migration. Typically includes coverage for common gram-positive and gram-negative organisms.

medication

Additional treatment options

Infection Surveillance Protocol

Regular monitoring for early signs of infection with low threshold for intervention. Includes periodic laboratory evaluation of inflammatory markers and immune function parameters.

monitoring

Infection Prevention Measures

Implementation of rigorous hygiene practices including handwashing, avoiding contact with sick individuals, and maintaining clean living environments to minimize exposure to pathogens.

lifestyle

Nutritional Support

Optimized nutrition with adequate calories and protein to support immune function and overall growth. May include vitamin and mineral supplementation as indicated by nutritional assessments.

complementary

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 Leukocyte Adhesion Deficiency 1 C0398738?

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 Leukocyte Adhesion Deficiency 1 C0398738. 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