Specific code 2011 ICD-9-CM Diagnosis Code 590.00
Chronic pyelonephritis without lesion of renal medullary necrosis
  • Short description: Chr pyelonephritis NOS.
  • ICD-9-CM 590.00 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 590.00 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2011 version of ICD-9-CM 590.00.
  • More recent version(s) of ICD-9-CM 590.00: 2012 2013 2014 2015.
Convert to ICD-10-CM: 590.00 converts approximately to:
  • 2015/16 ICD-10-CM N11.0 Nonobstructive reflux-associated chronic pyelonephritis
Approximate Synonyms
  • Chronic obstructive kidney stones
  • Chronic obstructive pyelonephritis
  • Chronic pyelonephritis
  • Sarcoid pyelonephritis
ICD-9-CM Volume 2 Index entries containing back-references to 590.00:
  • Contraction, contracture, contracted
    • kidney (granular) (secondary) (see also Sclerosis, renal) 587
      • congenital 753.3
      • hydronephritic 591
      • pyelonephritic (see also Pyelitis, chronic) 590.00
      • tuberculous (see also Tuberculosis) 016.0
  • Hydropyonephrosis (see also Pyelitis) 590.80
    • chronic 590.00
  • Pyelitis (congenital) (uremic) 590.80
    • with
      • abortion - see Abortion, by type, with specified complication NEC
      • contracted kidney 590.00
      • ectopic pregnancy (see also categories 633.0-633.9) 639.8
      • molar pregnancy (see also categories 630-632) 639.8
    • chronic 590.00
  • 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 590.00 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.