Title: lymphocytopenia
Long Title: IUPAC Gold Book - lymphocytopenia
DOI: 10.1351/goldbook.13409
Status: current

Definition
Deficiency of lymphocytes in the blood compared with normal values.

Note
This is a characteristic feature of systemic autoimmune diseases [e.g., systemic lupus erythematosus (SLE), Sjögren syndrome, mixed connective tissue disease (MCTD)].

Related Terms
- Sjögren syndrome: https://goldbook.iupac.org/terms/view/13680
- lymphocytes: https://goldbook.iupac.org/terms/view/13399
- mixed connective tissue disease (MCTD): https://goldbook.iupac.org/terms/view/13465
- systemic lupus erythematosus (SLE): https://goldbook.iupac.org/terms/view/13710

Source
- PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1206 (https://doi.org/10.1351/PAC-REC-11-06-03)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/13409/html
- json: https://goldbook.iupac.org/terms/view/13409/json
- xml: https://goldbook.iupac.org/terms/view/13409/xml

Citation: Citation: 'lymphocytopenia' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.13409
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Accessed: 2026-05-11T05:15:11+00:00