CLL Staging (Rai / Binet)

Stages confirmed chronic lymphocytic leukemia by either the Rai (with modified Low/Intermediate/High grouping) or Binet system from blood counts and exam findings, for prognostic and anatomic stratification.

Staging system

Hemoglobin (g/dL)

Platelet count (×10&sup9;/L, e.g. 150 = 150,000/mm³)

Lymphadenopathy, any region (Rai only)

Splenomegaly

Hepatomegaly

Cervical (neck) nodes (Binet only)

Axillary (underarm) nodes (Binet only)

Inguinal (groin) nodes (Binet only)