Lymphocyte : Monocyte Ratio

Lymphocyte : Monocyte Ratio is a clinical biomarker on the Immune panel, reported in ratio. Standard reference range: 2.5–6 ratio. Functional (optimal) range used by integrative practitioners: 3.5–5.5 ratio.

What is Lymphocyte : Monocyte Ratio?

The lymphocyte-to-monocyte ratio (LMR) is a derived index calculated from the CBC differential (absolute lymphocytes ÷ absolute monocytes). It integrates thymic-driven adaptive immune capacity (lymphocytes) with monocyte-driven innate inflammation, producing a single low-cost signal of immune resilience. A low LMR reflects either lymphocyte depletion (thymic involution, chronic stress, immunosenescence) or monocyte expansion (chronic inflammation, malignancy) — both of which independently predict adverse outcomes. LMR has emerged as a validated prognostic biomarker across a growing list of solid tumors (colorectal, lung, breast, hepatocellular, gastric, pancreatic) and hematologic malignancies (Hodgkin and non-Hodgkin lymphoma, multiple myeloma), where lower ratios consistently predict shorter overall and progression-free survival. It also tracks with immune aging and thymic output.

Reference ranges

How SomaVue interprets Lymphocyte : Monocyte Ratio

SomaVue maps every result for Lymphocyte : Monocyte Ratio against four clinical lenses — nutrient cofactors, toxin exposure, infection drivers, and circadian/hormonal context — and connects each interpretation to specific peer-reviewed citations. Pre-mapped clinical reasoning and cross-marker pattern detection are available inside the practitioner workspace.

Educational reference only. Reference ranges vary by laboratory, assay method, age, sex, and clinical context. Functional ranges represent integrative-medicine consensus and are not regulatory thresholds. SomaVue does not diagnose, treat, mitigate, or prevent disease. Always consult a licensed healthcare provider.