Diseases of the genitourinary system (N00-N99)
Excludes 2:
certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Other disorders of kidney and ureter (N25-N29)
Excludes 2:
disorders of kidney and ureter with urolithiasis (N20-N23)
N25
Disorders resulting from impaired renal tubular function [+]
N25.0
Renal osteodystrophy Azotemic osteodystrophy Phosphate-losing tubular disorders Renal rickets Renal short stature
Excludes 2:
metabolic disorders classifiable to E70-E88
N25.1
Nephrogenic diabetes insipidus
Excludes 1:
diabetes insipidus NOS (E23.2)
N25.8
Other disorders resulting from impaired renal tubular function [+]
N25.81
Secondary hyperparathyroidism of renal origin
Excludes 1:
secondary hyperparathyroidism, non-renal (E21.1)
Excludes 2:
metabolic disorders classifiable to E70-E88
N25.89
Other disorders resulting from impaired renal tubular function Hypokalemic nephropathy Lightwood-Albright syndrome Renal tubular acidosis NOS
N25.9
Disorder resulting from impaired renal tubular function, unspecified
N26
Unspecified contracted kidney [+]
Excludes 1:
contracted kidney due to hypertension (I12.-) diffuse sclerosing glomerulonephritis (N05.8.-) hypertensive nephrosclerosis (arteriolar) (arteriosclerotic) (I12.-) small kidney of unknown cause (N27.-)
N26.1
Atrophy of kidney (terminal)
N26.2
Page kidney
N26.9
Renal sclerosis, unspecified
N27
Small kidney of unknown cause [+]
N27.0
Small kidney, unilateral
N27.1
Small kidney, bilateral
N27.9
Small kidney, unspecified
N28
Other disorders of kidney and ureter, not elsewhere classified [+]
N28.0
Ischemia and infarction of kidney Renal artery embolism Renal artery obstruction Renal artery occlusion Renal artery thrombosis Renal infarct
Excludes 1:
atherosclerosis of renal artery (extrarenal part) (I70.1) congenital stenosis of renal artery (Q27.1) Goldblatt's kidney (I70.1)
N28.1
Cyst of kidney, acquired Cyst (multiple) (solitary) of kidney (acquired)
Excludes 1:
cystic kidney disease (congenital) (Q61.-)
N28.8
Other specified disorders of kidney and ureter [+]
Excludes 1:
hydroureter (N13.4) ureteric stricture with hydronephrosis (N13.1) ureteric stricture without hydronephrosis (N13.5)
N28.9
Disorder of kidney and ureter, unspecified Nephropathy NOS Renal disease (acute) NOS Renal insufficiency (acute)
Excludes 1:
chronic renal insufficiency (N18.9) unspecified nephritic syndrome (N05.-)
N29
Other disorders of kidney and ureter in diseases classified elsewhere
Code first
underlying disease, such as: amyloidosis (E85.-) nephrocalcinosis (E83.59) schistosomiasis (B65.0-B65.9)
Excludes 1:
disorders of kidney and ureter in: cystinosis (E72.0) gonorrhea (A54.21) syphilis (A52.75) tuberculosis (A18.11)
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