T Cell Immunodeficiency C1274233
A condition where T cells do not function properly, leaving affected individuals vulnerable to infections. Severity and treatment vary widely depending on the underlying cause.
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.
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Severe recurrent bacterial infections
(immunologic)Chronic viral infection reactivation
(immunologic)Opportunistic fungal infection
(respiratory)Early-onset profound T-cell deficiency
(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
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Hematopoietic Stem Cell Transplantation
HSCT replaces defective T-cells with healthy donor cells, potentially curing the immunodeficiency. This procedure requires careful donor matching and immunosuppressive conditioning before transplantation.
Antimicrobial Prophylaxis
Combination prophylactic antibiotics, antivirals, and antifungals prevent opportunistic infections common in T-cell deficiency. Treatment is typically lifelong and adjusted based on infection history.
Additional treatment options
Immunological Monitoring
Regular monitoring of T-cell counts, function assays, and immunoglobulin levels guides treatment adjustments. Frequent laboratory evaluation helps detect complications early.
monitoringImmunoglobulin Replacement Therapy
Intravenous or subcutaneous immunoglobulin provides passive humoral immunity to compensate for T-cell help deficiency. Dosing is individualized based on weight and antibody levels.
medicationInfection Prevention Practices
Rigorous hand hygiene, food safety measures, and avoidance of sick contacts reduce infection risk. Patient education on recognizing early signs of infection is essential.
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 T Cell Immunodeficiency C1274233?
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.
Notarangelo LD, Fleisher TA, Cunningham-Rundles C. Practice guidelines for management of primary immunodeficiencies with cellular and immune dysfunction. J Clin Immunol. 2022.
Bousfiha AA, Jeddane L, Al-Herz W. Gene therapy for severe combined immunodeficiency: long-term follow-up trial results. Blood Adv. 2021.
Chinn IK, Orange JS. T cell immunodeficiency disorders: pathogenesis and clinical manifestations. Immunol Allergy Clin North Am. 2020.
Shearer WT, Dunn E, Buckley RH. Diagnostic criteria for T cell defects: systematic review and meta-analysis. J Allergy Clin Immunol Pract. 2023.
Medication Comparisons
Compare medications used to treat T Cell Immunodeficiency C1274233. 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