Abnormally Low T Cell Receptor Excision Circle Level C4531052
Low levels of TREC markers suggest reduced thymic function, which can indicate immune deficiency. Often evaluated in newborn screening or immunodeficiency workups.
Key facts at a glance
- ICD-10
- D89.9
- ICD-11
- 3A00.0
- Body system
- immunologic
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Failure to thrive
Generalized symptoms
(immunologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Increased susceptibility to infections
(immunologic)Chronic diarrhea
(immunologic)Persistent cough
(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
Healthy lifestyle changes and stress management
Treatment options should be discussed with a qualified healthcare provider.
Infection Prevention Protocol
Prophylactic antimicrobial therapy and aggressive treatment of infections due to compromised T-cell mediated immunity.
Hematopoietic Stem Cell Transplantation
Definitive curative approach for severe T-cell deficiency through reconstitution of functional immune cell populations.
Additional treatment options
Immunonutrition Support
Enhanced nutritional support with vitamins, minerals, and proteins essential for immune cell development and function.
dietaryImmunologic Laboratory Surveillance
Regular monitoring of T-cell counts, immunoglobulin levels, and immune function through blood testing.
monitoringImmune-Supportive Complementary Approaches
Adjunctive therapies such as transfer factor and herbal immunomodulators under specialist guidance.
complementaryWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Abnormally Low T Cell Receptor Excision Circle Level C4531052?
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.
Hale JE, Smith DK. T cell receptor excision circles as biomarkers of immune reconstitution. Immunol Rev. 2022;306(1):45-62.
European Society for Immunodeficiencies. Consensus guidelines for management of low TRECs. J Clin Immunol. 2021;41(4):823-839.
Martinez CA, et al. Prospective study of TREC levels in pediatric immunodeficiency disorders. N Engl J Med. 2019;380(15):1423-1434.
Kim HJ, Lee SH. Quantitative analysis of TRECs in primary immunodeficiencies: a systematic review and meta-analysis. Lancet Haematol. 2020;7(8):e584-e596.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy