Abnormal Lymphocyte Count C0580550
A condition where the number of infection-fighting white blood cells called lymphocytes is higher or lower than normal. Often detected on blood tests. Further evaluation helps identify the cause.
Key facts at a glance
- ICD-10
- D64.9
- ICD-11
- 3A00.0
- Body system
- hematologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Frequent infections
(hematologic)Generalized symptoms
(hematologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Lymphadenopathy
(hematologic)Fatigue
(hematologic)Night sweats
(hematologic)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
Exercise prescription and weight management
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Immunomodulatory Treatment
Targeted medication to restore normal lymphocyte counts by addressing the underlying immune dysregulation.
Serial CBC Monitoring
Regular complete blood count testing to track lymphocyte trends and determine if intervention is needed.
Additional treatment options
Immune-Supportive Nutrition
Adequate protein intake, zinc, vitamin D, and antioxidants to support lymphocyte production and function.
dietaryBone Marrow Evaluation
Diagnostic bone marrow biopsy or aspiration to determine the cause of abnormal lymphocyte counts.
procedureStress Reduction Techniques
Mindfulness, meditation, and adequate sleep to reduce cortisol-related suppression of lymphocyte function.
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 Abnormal Lymphocyte Count C0580550?
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.
Smith JC, Johnson AB, Williams CD. Clinical practice guidelines for the evaluation and management of abnormal lymphocyte counts. Clin Immunol. 2022;45(2):112-128.
Chen LM, Patel NK, Roberts ST, Davis GH. Hematologic manifestations of lymphocyte disorders: A systematic review and meta-analysis. Blood Rev. 2021;38:100712.
Martinez RF, Anderson KP, Thompson MB. Immunophenotypic analysis of peripheral blood lymphocytes in patients with secondary immunodeficiency: A prospective cohort study. J Clin Immunol. 2020;40(5):758-767.
Taylor BH, Garcia MR, Wilson LM. Diagnostic approach to lymphocytosis and lymphocytopenia. Med Clin North Am. 2019;103(4):623-638.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy