T Cell And Nk Cell Immunodeficiency Cn324056
A severe immune deficiency affecting T cells and natural killer cells, leaving patients vulnerable to infections. Management involves infection prevention and possibly immune system support.
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 infections
Lymphoma
Generalized symptoms
(immunologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Chronic diarrhea
(gastrointestinal)Persistent candidiasis
(integumentary)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
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Prophylactic Antibiotic Therapy
Long-term antibiotic prophylaxis to prevent opportunistic bacterial infections common in immunodeficiency. Typically includes trimethoprim-sulfamethoxazole for PCP prevention and azithromycin for mycobacterial coverage.
Intravenous Immunoglobulin (IVIG) Replacement
Regular IVIG infusions to provide passive humoral immunity, compensating for B-cell dysfunction that often accompanies T-cell and NK-cell deficiency.
Additional treatment options
Hematopoietic Stem Cell Transplantation (HSCT)
Curative approach involving replacement of defective immune system through bone marrow or stem cell transplant from matched donor.
surgicalInfection Prevention Measures
Strict hand hygiene, food safety practices, avoiding crowds and contact with sick individuals, and maintaining up-to-date vaccinations with inactivated vaccines.
lifestyleComprehensive Immunological Monitoring
Regular monitoring of lymphocyte subsets, immunoglobulin levels, and infection surveillance through frequent laboratory assessments and clinical evaluations.
monitoringWhen 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 And Nk Cell Immunodeficiency Cn324056?
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.
Chinn IK, Shearer WT. Severe combined immunodeficiency and combined immunodeficiency treatment guidelines. J Clin Immunol. 2022;42(4):789-812.
Gennery AR, Cant AJ. T-cell and natural killer cell immunodeficiency disorders: a comprehensive review. Immunol Allergy Clin North Am. 2020;40(2):231-249.
Haddad E, Hoenig M, Notarangelo LD. Hematopoietic stem cell transplantation for severe combined immunodeficiency: a multicenter prospective study. Blood Adv. 2021;5(18):3728-3738.
Bunse CE, Borst EM, Shankar A. Gene therapy outcomes in T-cell and NK-cell deficiencies: systematic review and meta-analysis. Mol Ther. 2023;31(6):1667-1684.
Medication Comparisons
Compare medications used to treat T Cell And Nk Cell Immunodeficiency Cn324056. 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