ICD-10-CM › N
ICD-10-CM codes starting with N
1,047 codes, page 2 of 11. Every code ever valid for billing is listed, including those now retired.
| Code | Description | Status |
|---|---|---|
| N06.5 | Isolated proteinuria with diffuse mesangiocapillary glomerulonephritis | Valid |
| N06.6 | Isolated proteinuria with dense deposit disease | Valid |
| N06.7 | Isolated proteinuria with diffuse crescentic glomerulonephritis | Valid |
| N06.8 | Isolated proteinuria with other morphologic lesion | Valid |
| N06.9 | Isolated proteinuria with unspecified morphologic lesion | Valid |
| N06.A | Isolated proteinuria with C3 glomerulonephritis | Valid |
| N07 | Hereditary nephropathy, not elsewhere classified | Not billable |
| N07.0 | Hereditary nephropathy, not elsewhere classified with minor glomerular abnormality | Valid |
| N07.1 | Hereditary nephropathy, not elsewhere classified with focal and segmental glomerular lesions | Valid |
| N07.2 | Hereditary nephropathy, not elsewhere classified with diffuse membranous glomerulonephritis | Valid |
| N07.3 | Hereditary nephropathy, not elsewhere classified with diffuse mesangial proliferative glomerulonephritis | Valid |
| N07.4 | Hereditary nephropathy, not elsewhere classified with diffuse endocapillary proliferative glomerulonephritis | Valid |
| N07.5 | Hereditary nephropathy, not elsewhere classified with diffuse mesangiocapillary glomerulonephritis | Valid |
| N07.6 | Hereditary nephropathy, not elsewhere classified with dense deposit disease | Valid |
| N07.7 | Hereditary nephropathy, not elsewhere classified with diffuse crescentic glomerulonephritis | Valid |
| N07.8 | Hereditary nephropathy, not elsewhere classified with other morphologic lesions | Valid |
| N07.9 | Hereditary nephropathy, not elsewhere classified with unspecified morphologic lesions | Valid |
| N07.A | Hereditary nephropathy, not elsewhere classified with C3 glomerulonephritis | Valid |
| N07.B | Hereditary nephropathy, not elsewhere classified with APOL1-mediated kidney disease [AMKD] | Valid |
| N08 | Glomerular disorders in diseases classified elsewhere | Valid |
| N10 | Acute pyelonephritis | Valid |
| N11 | Chronic tubulo-interstitial nephritis | Not billable |
| N11.0 | Nonobstructive reflux-associated chronic pyelonephritis | Valid |
| N11.1 | Chronic obstructive pyelonephritis | Valid |
| N11.8 | Other chronic tubulo-interstitial nephritis | Valid |
| N11.9 | Chronic tubulo-interstitial nephritis, unspecified | Valid |
| N12 | Tubulo-interstitial nephritis, not specified as acute or chronic | Valid |
| N13 | Obstructive and reflux uropathy | Not billable |
| N13.0 | Hydronephrosis with ureteropelvic junction obstruction | Valid |
| N13.1 | Hydronephrosis with ureteral stricture, not elsewhere classified | Valid |
| N13.2 | Hydronephrosis with renal and ureteral calculous obstruction | Valid |
| N13.3 | Other and unspecified hydronephrosis | Not billable |
| N13.30 | Unspecified hydronephrosis | Valid |
| N13.39 | Other hydronephrosis | Valid |
| N13.4 | Hydroureter | Valid |
| N13.5 | Crossing vessel and stricture of ureter without hydronephrosis | Valid |
| N13.6 | Pyonephrosis | Valid |
| N13.7 | Vesicoureteral-reflux | Not billable |
| N13.70 | Vesicoureteral-reflux, unspecified | Valid |
| N13.71 | Vesicoureteral-reflux without reflux nephropathy | Valid |
| N13.72 | Vesicoureteral-reflux with reflux nephropathy without hydroureter | Not billable |
| N13.721 | Vesicoureteral-reflux with reflux nephropathy without hydroureter, unilateral | Valid |
| N13.722 | Vesicoureteral-reflux with reflux nephropathy without hydroureter, bilateral | Valid |
| N13.729 | Vesicoureteral-reflux with reflux nephropathy without hydroureter, unspecified | Valid |
| N13.73 | Vesicoureteral-reflux with reflux nephropathy with hydroureter | Not billable |
| N13.731 | Vesicoureteral-reflux with reflux nephropathy with hydroureter, unilateral | Valid |
| N13.732 | Vesicoureteral-reflux with reflux nephropathy with hydroureter, bilateral | Valid |
| N13.739 | Vesicoureteral-reflux with reflux nephropathy with hydroureter, unspecified | Valid |
| N13.8 | Other obstructive and reflux uropathy | Valid |
| N13.9 | Obstructive and reflux uropathy, unspecified | Valid |
| N14 | Drug- and heavy-metal-induced tubulo-interstitial and tubular conditions | Not billable |
| N14.0 | Analgesic nephropathy | Valid |
| N14.1 | Nephropathy induced by other drugs, medicaments and biological substances | Not billable |
| N14.11 | Contrast-induced nephropathy | Valid |
| N14.19 | Nephropathy induced by other drugs, medicaments and biological substances | Valid |
| N14.2 | Nephropathy induced by unspecified drug, medicament or biological substance | Valid |
| N14.3 | Nephropathy induced by heavy metals | Valid |
| N14.4 | Toxic nephropathy, not elsewhere classified | Valid |
| N15 | Other renal tubulo-interstitial diseases | Not billable |
| N15.0 | Balkan nephropathy | Valid |
| N15.1 | Renal and perinephric abscess | Valid |
| N15.8 | Other specified renal tubulo-interstitial diseases | Valid |
| N15.9 | Renal tubulo-interstitial disease, unspecified | Valid |
| N16 | Renal tubulo-interstitial disorders in diseases classified elsewhere | Valid |
| N17 | Acute kidney failure | Not billable |
| N17.0 | Acute kidney failure with tubular necrosis | Valid |
| N17.1 | Acute kidney failure with acute cortical necrosis | Valid |
| N17.2 | Acute kidney failure with medullary necrosis | Valid |
| N17.8 | Other acute kidney failure | Valid |
| N17.9 | Acute kidney failure, unspecified | Valid |
| N18 | Chronic kidney disease (CKD) | Not billable |
| N18.1 | Chronic kidney disease, stage 1 | Valid |
| N18.2 | Chronic kidney disease, stage 2 (mild) | Valid |
| N18.3 | Chronic kidney disease, stage 3 (moderate) | Not billable |
| N18.30 | Chronic kidney disease, stage 3 unspecified | Valid |
| N18.31 | Chronic kidney disease, stage 3a | Valid |
| N18.32 | Chronic kidney disease, stage 3b | Valid |
| N18.4 | Chronic kidney disease, stage 4 (severe) | Valid |
| N18.5 | Chronic kidney disease, stage 5 | Valid |
| N18.6 | End stage renal disease | Valid |
| N18.9 | Chronic kidney disease, unspecified | Valid |
| N19 | Unspecified kidney failure | Valid |
| N20 | Calculus of kidney and ureter | Not billable |
| N20.0 | Calculus of kidney | Valid |
| N20.1 | Calculus of ureter | Valid |
| N20.2 | Calculus of kidney with calculus of ureter | Valid |
| N20.9 | Urinary calculus, unspecified | Valid |
| N21 | Calculus of lower urinary tract | Not billable |
| N21.0 | Calculus in bladder | Valid |
| N21.1 | Calculus in urethra | Valid |
| N21.8 | Other lower urinary tract calculus | Valid |
| N21.9 | Calculus of lower urinary tract, unspecified | Valid |
| N22 | Calculus of urinary tract in diseases classified elsewhere | Valid |
| N23 | Unspecified renal colic | Valid |
| N25 | Disorders resulting from impaired renal tubular function | Not billable |
| N25.0 | Renal osteodystrophy | Valid |
| N25.1 | Nephrogenic diabetes insipidus | Valid |
| N25.8 | Other disorders resulting from impaired renal tubular function | Not billable |
| N25.81 | Secondary hyperparathyroidism of renal origin | Valid |
| N25.89 | Other disorders resulting from impaired renal tubular function | Valid |