ICD-10-CM
Diseases of the genitourinary system
Chapter 14, N00-N99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
85 categories in this chapter. Open one, or page through every code below.
- N00Acute nephritic syndrome
- N01Rapidly progressive nephritic syndrome
- N02Recurrent and persistent hematuria
- N03Chronic nephritic syndrome
- N04Nephrotic syndrome
- N05Unspecified nephritic syndrome
- N06Isolated proteinuria with specified morphological lesion
- N07Hereditary nephropathy, not elsewhere classified
- N08Glomerular disorders in diseases classified elsewhere
- N10Acute pyelonephritis
- N11Chronic tubulo-interstitial nephritis
- N12Tubulo-interstitial nephritis, not specified as acute or chronic
- N13Obstructive and reflux uropathy
- N14Drug- and heavy-metal-induced tubulo-interstitial and tublr condition
- N15Other renal tubulo-interstitial diseases
- N16Renal tubulo-interstitial disord in diseases classd elswhr
- N17Acute kidney failure
- N18Chronic kidney disease (CKD)
- N19Unspecified kidney failure
- N20Calculus of kidney and ureter
- N21Calculus of lower urinary tract
- N22Calculus of urinary tract in diseases classified elsewhere
- N23Unspecified renal colic
- N25Disorders resulting from impaired renal tubular function
- N26Unspecified contracted kidney
- N27Small kidney of unknown cause
- N28Other disorders of kidney and ureter, not elsewhere classified
- N29Other disorders of kidney and ureter in diseases classd elswhr
- N30Cystitis
- N31Neuromuscular dysfunction of bladder, NEC
- N32Other disorders of bladder
- N33Bladder disorders in diseases classified elsewhere
- N34Urethritis and urethral syndrome
- N35Urethral stricture
- N36Other disorders of urethra
- N37Urethral disorders in diseases classified elsewhere
49 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report. Listed second marks a billable manifestation code (its CDC title says it is "classified elsewhere"): code the underlying disease or condition first, then this code.
201 to 240 of 1,047
- N25.9Disorder rslt from impaired renal tubular function, unspecifiedBillable
- N26Unspecified contracted kidneyHeader
- N26.1Atrophy of kidney (terminal)Billable
- N26.2Page kidneyBillable
- N26.9Renal sclerosis, unspecifiedBillable
- N27Small kidney of unknown causeHeader
- N27.0Small kidney, unilateralBillable
- N27.1Small kidney, bilateralBillable
- N27.9Small kidney, unspecifiedBillable
- N28Other disorders of kidney and ureter, not elsewhere classifiedHeader
- N28.0Ischemia and infarction of kidneyBillable
- N28.1Cyst of kidney, acquiredBillable
- N28.8Other specified disorders of kidney and ureterHeader
- N28.81Hypertrophy of kidneyBillable
- N28.82MegaloureterBillable
- N28.83NephroptosisBillable
- N28.84Pyelitis cysticaBillable
- N28.85Pyeloureteritis cysticaBillable
- N28.86Ureteritis cysticaBillable
- N28.89Other specified disorders of kidney and ureterBillable
- N28.9Disorder of kidney and ureter, unspecifiedBillable
- N29Other disorders of kidney and ureter in diseases classd elswhrListed second
- N30CystitisHeader
- N30.0Acute cystitisHeader
- N30.00Acute cystitis without hematuriaBillable
- N30.01Acute cystitis with hematuriaBillable
- N30.1Interstitial cystitis (chronic)Header
- N30.10Interstitial cystitis (chronic) without hematuriaBillable
- N30.11Interstitial cystitis (chronic) with hematuriaBillable
- N30.2Other chronic cystitisHeader
- N30.20Other chronic cystitis without hematuriaBillable
- N30.21Other chronic cystitis with hematuriaBillable
- N30.3TrigonitisHeader
- N30.30Trigonitis without hematuriaBillable
- N30.31Trigonitis with hematuriaBillable
- N30.4Irradiation cystitisHeader
- N30.40Irradiation cystitis without hematuriaBillable
- N30.41Irradiation cystitis with hematuriaBillable
- N30.8Other cystitisHeader
- N30.80Other cystitis without hematuriaBillable