Renal Insufficiency

**Definition:** Conditions in which the KIDNEYS perform below the normal level in the ability to remove wastes, concentrate URINE, and maintain ELECTROLYTE BALANCE; BLOOD PRESSURE; and CALCIUM metabolism. Renal insufficiency can be classified by the degree of kidney damage (as measured by the level of PROTEINURIA) and reduction in GLOMERULAR FILTRATION RATE.

**Tree numbers:** - C12.050.351.968.419.780 - C12.200.777.419.780 - C12.950.419.780

**Synonyms:** - Kidney Insufficiency