Short answer · Medically reviewed summary · Last updated: 2026-05-08
Chronic lymphocytic leukemia (CLL) is a type of slow-growing blood cancer that is most commonly referred to by its abbreviation, CLL, or its full clinical name. While it has historical synonyms, Chronic lymphocytic leukemia (CLL) is the standard terminology used globally to ensure consistency in diagnosis and research across medical institutions. What are the common synonyms and abbreviations for Chronic lymphocytic leukemia (CLL)? In medical literature, Chronic lymphocytic leukemia (CLL) is almost universally recognized by its standard abbreviation.
Chronic lymphocytic leukemia (CLL) synonyms
Other names for Chronic lymphocytic leukemia (CLL): synonyms, acronyms and related terms used by doctors and patients.
Chronic lymphocytic leukemia (CLL) is a type of slow-growing blood cancer that is most commonly referred to by its abbreviation, CLL, or its full clinical name. While it has historical synonyms, Chronic lymphocytic leukemia (CLL) is the standard terminology used globally to ensure consistency in diagnosis and research across medical institutions.
What are the common synonyms and abbreviations for Chronic lymphocytic leukemia (CLL)?
In medical literature, Chronic lymphocytic leukemia (CLL) is almost universally recognized by its standard abbreviation. Historically, you may encounter terms such as "Chronic B-cell leukemia" or "B-cell chronic lymphocytic leukemia" (B-CLL), which were used to distinguish the cell line involved. In older clinical records or international medical texts, you might occasionally see it referred to as "lymphoid leukemia," though this term is now considered imprecise and is rarely used in modern oncology.
Why does Chronic lymphocytic leukemia (CLL) have multiple names?
The naming of Chronic lymphocytic leukemia (CLL) has evolved alongside our understanding of hematopathology. Historically, diseases were often named based on their physical appearance under a microscope. As diagnostic technology improved—specifically immunophenotyping—researchers identified that nearly all cases of Chronic lymphocytic leukemia (CLL) originate from B-lymphocytes. This led to the widespread adoption of the term "B-cell chronic lymphocytic leukemia" in research papers, though Chronic lymphocytic leukemia (CLL) remains the preferred clinical term for diagnosis.
How is Chronic lymphocytic leukemia (CLL) classified officially?
Official medical classification systems standardize the terminology to prevent confusion in patient records and global research. Key identifiers include:
- ICD-10/11: C91.1 (Chronic lymphocytic leukemia of B-cell type)
- OMIM: #151400
- Orphanet: ORPHA:523
Next steps
- Consult a hematologist-oncologist to review your specific pathology report and confirm your exact diagnosis.
- Visit DiseaseMaps.org to connect with the 26 community members currently sharing their experiences with Chronic lymphocytic leukemia (CLL).
- Request access to your medical records to ensure your diagnosis is coded using the correct ICD-10/11 identifiers for your insurance and care team.
Medical disclaimer: This content is for informational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician or other qualified health provider with any questions regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD): Chronic Lymphocytic Leukemia
- Orphanet (ORPHA:523): Chronic Lymphocytic Leukemia
- Online Mendelian Inheritance in Man (OMIM): #151400
- Leukemia & Lymphoma Society (LLS): Understanding CLL
