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Tcr Alpha Beta Positive T Cell Deficiency C3809332

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

A rare immune disorder where certain T cells are deficient, leading to recurrent infections. Treatment includes 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

!

Severe herpesviral infections

Generalized symptoms

(immunologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Chronic lung disease

(respiratory)

Persistent warts

(integumentary)

Inflammatory bowel disease

(gastrointestinal)

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

Infection prophylaxis

Prophylactic antibiotics and antifungal medications reduce the risk of opportunistic infections in immunocompromised patients. Regimens are tailored to individual risk factors and pathogen exposure.

medication
2

Pharmacological management with first-line agents

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

medication
3

Immunoglobulin replacement therapy

IVIG supplementation provides passive humoral immunity to compensate for antibody deficiencies. Regular infusions help maintain protective antibody levels and reduce infection frequency.

medication

Additional treatment options

Hematopoietic stem cell transplantation

HSCT offers potential curative therapy by restoring functional T-cell immunity. This intensive procedure is considered for severe cases with poor prognosis on conventional management.

surgical

Infection prevention measures

Strict hand hygiene, food safety practices, and avoidance of crowded indoor spaces significantly reduce infection risk. Patient education on recognizing early infection signs is essential.

lifestyle

Immune function monitoring

Regular assessment of lymphocyte subsets, immunoglobulin levels, and clinical infection burden guides treatment decisions. Frequency increases during active management changes.

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 Tcr Alpha Beta Positive T Cell Deficiency C3809332?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Bonilla FA, Khan DA, Ballas ZK, et al. Practice parameter for the diagnosis and management of primary immunodeficiency. J Allergy Clin Immunol Pract. 2015.

guideline2015
2

Cunningham-Rundles C, Sidi P. Primary immunodeficiencies: recognition, clinical manifestations, and diagnosis. Immunol Allergy Clin North Am. 2021.

review2021
3

Patel NC, Chandrasekar A, Fontenot AP, et al. T-cell receptor repertoire analysis in patients with severe combined immunodeficiency and related disorders. Blood Adv. 2020.

clinical_trial2020
4

Fischer A, Notarangelo LD, Neven B, et al. Severe combined immunodeficiencies and related disorders. In: Stiehm ER, ed. Immunologic Disorders in Infants and Children. 6th ed. Saunders; 2019.

other2019

Medication Comparisons

Compare medications used to treat Tcr Alpha Beta Positive T Cell Deficiency C3809332. 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