ICD-9-CM

590 Infections of kidney Use additional code to identify organism, such as Escherichia coli [E. coli] (041.41-041.49)
590.0: Chronic pyelonephritis Chronic pyelitis Chronic pyonephrosis Code, if applicable, any causal condition first
590.1: Acute pyelonephritis Acute pyelitis Acute pyonephrosis
590.2: Renal and perinephric abscess Abscess: kidney nephritic perirenal Carbuncle of kidney
590.3: Pyeloureteritis cystica Infection of renal pelvis and ureter Ureteritis cystica
590.8: Other pyelonephritis or pyonephrosis, not specified as acute or chronic
590.9: Infection of kidney, unspecified Excludes: urinary tract infection NOS (599.0)

590 Infections of kidney

Use additional code to identify organism, such as Escherichia coli [E. coli] (041.41-041.49)

Chronic pyelitis

Chronic pyonephrosis

Code, if applicable, any causal condition first

Acute pyelitis

Acute pyonephrosis

Abscess:

kidney