Chronic Kidney Disease, Stage 4

Long-standing and persistent renal disease with glomerular filtration rate (GFR) between 30-59 ml/min.

Long-standing and persistent renal disease with glomerular filtration rate (GFR) between 60-89 ml/min.

Long-standing and persistent renal disease with glomerular filtration rate (GFR) greater than 90 ml/min.

Long-standing and persistent renal disease without kidney damage.

Gradual and usually permanent loss of kidney function resulting in renal failure. Causes include diabetes, hypertension, and glomerulonephritis.

A morphologic finding indicating the presence of reactive lymphocytes, lymphoplasmacytic cells, and/or reactive plasma cells in a tissue sample.