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).
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.
161 to 200 of 1,047
- N15.1Renal and perinephric abscessBillable
- N15.8Other specified renal tubulo-interstitial diseasesBillable
- N15.9Renal tubulo-interstitial disease, unspecifiedBillable
- N16Renal tubulo-interstitial disord in diseases classd elswhrListed second
- N17Acute kidney failureHeader
- N17.0Acute kidney failure with tubular necrosisBillable
- N17.1Acute kidney failure with acute cortical necrosisBillable
- N17.2Acute kidney failure with medullary necrosisBillable
- N17.8Other acute kidney failureBillable
- N17.9Acute kidney failure, unspecifiedBillable
- N18Chronic kidney disease (CKD)Header
- N18.1Chronic kidney disease, stage 1Billable
- N18.2Chronic kidney disease, stage 2 (mild)Billable
- N18.3Chronic kidney disease, stage 3 (moderate)Header
- N18.30Chronic kidney disease, stage 3 unspecifiedBillable
- N18.31Chronic kidney disease, stage 3aBillable
- N18.32Chronic kidney disease, stage 3bBillable
- N18.4Chronic kidney disease, stage 4 (severe)Billable
- N18.5Chronic kidney disease, stage 5Billable
- N18.6End stage renal diseaseBillable
- N18.9Chronic kidney disease, unspecifiedBillable
- N19Unspecified kidney failureBillable
- N20Calculus of kidney and ureterHeader
- N20.0Calculus of kidneyBillable
- N20.1Calculus of ureterBillable
- N20.2Calculus of kidney with calculus of ureterBillable
- N20.9Urinary calculus, unspecifiedBillable
- N21Calculus of lower urinary tractHeader
- N21.0Calculus in bladderBillable
- N21.1Calculus in urethraBillable
- N21.8Other lower urinary tract calculusBillable
- N21.9Calculus of lower urinary tract, unspecifiedBillable
- N22Calculus of urinary tract in diseases classified elsewhereListed second
- N23Unspecified renal colicBillable
- N25Disorders resulting from impaired renal tubular functionHeader
- N25.0Renal osteodystrophyBillable
- N25.1Nephrogenic diabetes insipidusBillable
- N25.8Other disorders resulting from impaired renal tubular functionHeader
- N25.81Secondary hyperparathyroidism of renal originBillable
- N25.89Other disorders resulting from impaired renal tubular functionBillable
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