N00–N99
Diseases of the Genitourinary System
UTI, kidney disease, benign prostatic hyperplasia
N25.9
Disorder resulting from impaired renal tubular function, unspecified
Billable
N26
Unspecified contracted kidney
Non-billable
N26.1
Atrophy of kidney (terminal)
Billable
N26.2
Page kidney
Billable
N26.9
Renal sclerosis, unspecified
Billable
N27
Small kidney of unknown cause
Non-billable
N27.0
Small kidney, unilateral
Billable
N27.1
Small kidney, bilateral
Billable
N27.9
Small kidney, unspecified
Billable
N28
Other disorders of kidney and ureter, not elsewhere classified
Non-billable
N28.0
Ischemia and infarction of kidney
Billable
N28.1
Cyst of kidney, acquired
Billable
N28.8
Other specified disorders of kidney and ureter
Non-billable
N28.81
Hypertrophy of kidney
Billable
N28.82
Megaloureter
Billable
N28.83
Nephroptosis
Billable
N28.84
Pyelitis cystica
Billable
N28.85
Pyeloureteritis cystica
Billable
N28.86
Ureteritis cystica
Billable
N28.89
Other specified disorders of kidney and ureter
Billable
N28.9
Disorder of kidney and ureter, unspecified
Billable
N29
Other disorders of kidney and ureter in diseases classified elsewhere
Billable
N30
Cystitis
Non-billable
N30.0
Acute cystitis
Non-billable
N30.00
Acute cystitis without hematuria
Billable
N30.01
Acute cystitis with hematuria
Billable
N30.1
Interstitial cystitis (chronic)
Non-billable
N30.10
Interstitial cystitis (chronic) without hematuria
Billable
N30.11
Interstitial cystitis (chronic) with hematuria
Billable
N30.2
Other chronic cystitis
Non-billable
N30.20
Other chronic cystitis without hematuria
Billable
N30.21
Other chronic cystitis with hematuria
Billable
N30.3
Trigonitis
Non-billable
N30.30
Trigonitis without hematuria
Billable
N30.31
Trigonitis with hematuria
Billable
N30.4
Irradiation cystitis
Non-billable
N30.40
Irradiation cystitis without hematuria
Billable
N30.41
Irradiation cystitis with hematuria
Billable
N30.8
Other cystitis
Non-billable
N30.80
Other cystitis without hematuria
Billable
N30.81
Other cystitis with hematuria
Billable
N30.9
Cystitis, unspecified
Non-billable
N30.90
Cystitis, unspecified without hematuria
Billable
N30.91
Cystitis, unspecified with hematuria
Billable
N31
Neuromuscular dysfunction of bladder, not elsewhere classified
Non-billable
N31.0
Uninhibited neuropathic bladder, not elsewhere classified
Billable
N31.1
Reflex neuropathic bladder, not elsewhere classified
Billable
N31.2
Flaccid neuropathic bladder, not elsewhere classified
Billable
N31.8
Other neuromuscular dysfunction of bladder
Billable
N31.9
Neuromuscular dysfunction of bladder, unspecified
Billable
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