590.00 CHR PYELONEPHRITIS NOS


Code Information

Diagnosis Code: 590.00

Short Description: Chr pyelonephritis NOS

Long Description: Chronic pyelonephritis without lesion of renal medullary necrosis

Code Classification:

  • Diseases of the genitourinary system (580–629)
    • Other diseases of urinary system (590-599)
      • 590 Infections of kidney
        • 590.00 Chr pyelonephritis NOS

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 590.00 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Contraction, contracture, contracted
    • kidney (granular) (secondary) (see also Sclerosis, renal) 587
      • pyelonephritic (see also Pyelitis, chronic) 590.00
  • Hydropyonephrosis (see also Pyelitis) 590.80
    • chronic 590.00
  • Pyelitis (congenital) (uremic) 590.80
    • with
      • contracted kidney 590.00
    • chronic 590.00
      • with
        • renal medullary necrosis 590.01
  • Pyelonephritis (see also Pyelitis) 590.80
    • chronic 590.00
  • Pyelonephrosis (see also Pyelitis) 590.80
    • chronic 590.00
  • Pyonephritis (see also Pyelitis) 590.80
    • chronic 590.00

Crosswalk Information

The code 590.00 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
590.00 Right Arrow N11.0 Nonobstructive reflux-associated chronic pyelonephritis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
590.01 Chronic pyelonephritis with lesion of renal medullary necrosis
590.10 Acute pyelonephritis without lesion of renal medullary necrosis
590.11 Acute pyelonephritis with lesion of renal medullary necrosis
590.2 Renal and perinephric abscess
590.3 Pyeloureteritis cystica
590.80 Pyelonephritis, unspecified
590.81 Pyelitis or pyelonephritis in diseases classified elsewhere
590.9 Infection of kidney, unspecified


This page was last updated on: 10/1/2014