Immunity

SIRI

SIRI combines all three CBC immune compartments — neutrophils, monocytes, and lymphocytes — into the most comprehensive CBC-derived inflammatory index.

What it is

SIRI combines all three CBC immune compartments — neutrophils, monocytes, and lymphocytes — into the most comprehensive CBC-derived inflammatory index. Elevated SIRI is linked to cardiovascular disease prognosis, cancer outcomes, and all-cause mortality.

What affects your levels

Same drivers as NLR and MLR combined.

Signs and symptoms

Asymptomatic at moderate elevations.

Foods that help

See NLR and MLR.

Foods to limit

See NLR and MLR.

Educational information only — not a diagnosis. Every Pheno result is interpreted in context and reviewed by a physician.

See all 119 markers we test →