ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 14  /  N10-N16

Renal tubulo-interstitial diseases (N10-N16)

Includes: pyelonephritis
Excludes1: pyeloureteritis cystica (N28.85)
N10 Acute pyelonephritis
Acute infectious interstitial nephritis
Acute pyelitis
Acute tubulo-interstitial nephritis
Hemoglobin nephrosis
Myoglobin nephrosis
UseAdditionalCode code (B95-B97), to identify infectious agent.
N11 Chronic tubulo-interstitial nephritis
Includes chronic infectious interstitial nephritis
chronic pyelitis
chronic pyelonephritis
UseAdditionalCode code (B95-B97), to identify infectious agent.
N11.0 Nonobstructive reflux-associated chronic pyelonephritis
Pyelonephritis (chronic) associated with (vesicoureteral) reflux
Excludes1 vesicoureteral reflux NOS (N13.70)
N11.1 Chronic obstructive pyelonephritis
Pyelonephritis (chronic) associated with anomaly of pelviureteric junction
Pyelonephritis (chronic) associated with anomaly of pyeloureteric junction
Pyelonephritis (chronic) associated with crossing of vessel
Pyelonephritis (chronic) associated with kinking of ureter
Pyelonephritis (chronic) associated with obstruction of ureter
Pyelonephritis (chronic) associated with stricture of pelviureteric junction
Pyelonephritis (chronic) associated with stricture of ureter
Excludes1 calculous pyelonephritis (N20.9)
obstructive uropathy (N13.-)
N11.8 Other chronic tubulo-interstitial nephritis
Nonobstructive chronic pyelonephritis NOS
N11.9 Chronic tubulo-interstitial nephritis, unspecified
Chronic interstitial nephritis NOS
Chronic pyelitis NOS
Chronic pyelonephritis NOS
N12 Tubulo-interstitial nephritis, not specified as acute or chronic
Interstitial nephritis NOS
Pyelitis NOS
Pyelonephritis NOS
Excludes1 calculous pyelonephritis (N20.9)
N13 Obstructive and reflux uropathy
Excludes2 calculus of kidney and ureter without hydronephrosis (N20.-)
congenital obstructive defects of renal pelvis and ureter (Q62.0-Q62.3)
hydronephrosis with ureteropelvic junction obstruction (Q62.11)
obstructive pyelonephritis (N11.1)
N13.0 Hydronephrosis with ureteropelvic junction obstruction
Hydronephrosis due to acquired occlusion of ureteropelvic junction
Excludes2 Hydronephrosis with ureteropelvic junction obstruction due to calculus (N13.2)
N13.1 Hydronephrosis with ureteral stricture, not elsewhere classified
Excludes1 Hydronephrosis with ureteral stricture with infection (N13.6)
N13.2 Hydronephrosis with renal and ureteral calculous obstruction
Excludes1 Hydronephrosis with renal and ureteral calculous obstruction with infection (N13.6)
N13.3 Other and unspecified hydronephrosis
Excludes1 hydronephrosis with infection (N13.6)
N13.30 Unspecified hydronephrosis
N13.39 Other hydronephrosis
N13.4 Hydroureter
Excludes1 congenital hydroureter (Q62.3-)
hydroureter with infection (N13.6)
vesicoureteral-reflux with hydroureter (N13.73-)
N13.5 Crossing vessel and stricture of ureter without hydronephrosis
Kinking and stricture of ureter without hydronephrosis
Excludes1 Crossing vessel and stricture of ureter without hydronephrosis with infection (N13.6)
N13.6 Pyonephrosis
Conditions in N13.0-N13.5 with infection
Obstructive uropathy with infection
UseAdditionalCode code (B95-B97), to identify infectious agent.
N13.7 Vesicoureteral-reflux
Excludes1 reflux-associated pyelonephritis (N11.0)
N13.70 Vesicoureteral-reflux, unspecified
Vesicoureteral-reflux NOS
N13.71 Vesicoureteral-reflux without reflux nephropathy
N13.72 Vesicoureteral-reflux with reflux nephropathy without hydroureter
N13.721 Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral
N13.722 Vesicoureteral-reflux with reflux nephropathy without hydroureter, bilateral
N13.729 Vesicoureteral-reflux with reflux nephropathy without hydroureter, unspecified
N13.73 Vesicoureteral-reflux with reflux nephropathy with hydroureter
N13.731 Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateral
N13.732 Vesicoureteral-reflux with reflux nephropathy with hydroureter, bilateral
N13.739 Vesicoureteral-reflux with reflux nephropathy with hydroureter, unspecified
N13.8 Other obstructive and reflux uropathy
Urinary tract obstruction due to specified cause
CodeFirst , if applicable, any causal condition, such as:
enlarged prostate (N40.1)
N13.9 Obstructive and reflux uropathy, unspecified
Urinary tract obstruction NOS
N14 Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions
CodeFirst poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
UseAdditionalCode code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
N14.0 Analgesic nephropathy
N14.1 Nephropathy induced by other drugs, medicaments and biological substances
N14.11 Contrast-induced nephropathy
Contrast medium, radiography nephropathy
Excludes2 acute kidney failure (N17.-)
N14.19 Nephropathy induced by other drugs, medicaments and biological substances
N14.2 Nephropathy induced by unspecified drug, medicament or biological substance
N14.3 Nephropathy induced by heavy metals
N14.4 Toxic nephropathy, not elsewhere classified
N15 Other renal tubulo-interstitial diseases
N15.0 Balkan nephropathy
Balkan endemic nephropathy
N15.1 Renal and perinephric abscess
N15.8 Other specified renal tubulo-interstitial diseases
N15.9 Renal tubulo-interstitial disease, unspecified
Infection of kidney NOS
Excludes1 urinary tract infection NOS (N39.0)
N16 Renal tubulo-interstitial disorders in diseases classified elsewhere
Pyelonephritis
Tubulo-interstitial nephritis
CodeFirst underlying disease, such as:
brucellosis (A23.0-A23.9)
cryoglobulinemia (D89.1)
glycogen storage disease (E74.0-)
leukemia (C91-C95)
lymphoma (C81.0-C85.9, C96.0-C96.9)
multiple myeloma (C90.0-)
sepsis (A40.0-A41.9)
Wilson's disease (E83.01)
Excludes1 diphtheritic pyelonephritis and tubulo-interstitial nephritis (A36.84)
pyelonephritis and tubulo-interstitial nephritis in candidiasis (B37.49)
pyelonephritis and tubulo-interstitial nephritis in cystinosis (E72.04)
pyelonephritis and tubulo-interstitial nephritis in salmonella infection (A02.25)
pyelonephritis and tubulo-interstitial nephritis in sarcoidosis (D86.84)
pyelonephritis and tubulo-interstitial nephritis in Sjogren syndrome (M35.04)
pyelonephritis and tubulo-interstitial nephritis in systemic lupus erythematosus (M32.15)
pyelonephritis and tubulo-interstitial nephritis in toxoplasmosis (B58.83)
renal tubular degeneration in diabetes (E08-E13 with .29)
syphilitic pyelonephritis and tubulo-interstitial nephritis (A52.75)
nonPrimary Yes