N16 - Renal tubulo-interstitial disorders in diseases classified elsewhere
ICD-10-CM Chapter 14: Diseases of the genitourinary system · N10-N16 Renal tubulo-interstitial diseases (N10-N16) · Top-level category · FY2027
Inclusion terms listed under N16 in the ICD-10-CM tabular list.
- Pyelonephritis
- Tubulo-interstitial nephritis
Includes, Excludes and Coding Notes
Mutually exclusive: these conditions are never reported together with this code.
- 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)
Sequence the underlying condition before this code.
- 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)
Conditions this code covers.
- pyelonephritis
Mutually exclusive: these conditions are never reported together with this code.
- pyeloureteritis cystica (N28.85)
Not part of this code; report both codes when the patient has both conditions.
- 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)
Inpatient DRG Payments
Other Kidney And Urinary Tract Diagnoses With Mcc
Avg. Medicare Payment
$13,092
Other Kidney And Urinary Tract Diagnoses With Cc
Avg. Medicare Payment
$8,196
Other Kidney And Urinary Tract Diagnoses Without Cc/mcc
Avg. Medicare Payment
$5,298
Codes at the same level as N16
- Acute nephritic syndromeN00
- Rapidly progressive nephritic syndromeN01
- Recurrent and persistent hematuriaN02
- Chronic nephritic syndromeN03
- Nephrotic syndromeN04
- Unspecified nephritic syndromeN05
- Isolated proteinuria with specified morphological lesionN06
- Hereditary nephropathy, not elsewhere classifiedN07
- Glomerular disorders in diseases classified elsewhereN08
- Acute pyelonephritisN10
- Chronic tubulo-interstitial nephritisN11
- Tubulo-interstitial nephritis, not specified as acute or chronicN12
- Obstructive and reflux uropathyN13
- Drug- and heavy-metal-induced tubulo-interstitial and tubular conditionsN14
- Other renal tubulo-interstitial diseasesN15
- Acute kidney failureN17
- Chronic kidney disease (CKD)N18
- Unspecified kidney failureN19
- Calculus of kidney and ureterN20
- Calculus of lower urinary tractN21
- Calculus of urinary tract in diseases classified elsewhereN22
- Unspecified renal colicN23
- Disorders resulting from impaired renal tubular functionN25
- Unspecified contracted kidneyN26
- Small kidney of unknown causeN27
- Other disorders of kidney and ureter, not elsewhere classifiedN28
- Other disorders of kidney and ureter in diseases classified elsewhereN29
- CystitisN30
- Neuromuscular dysfunction of bladder, not elsewhere classifiedN31
- Other disorders of bladderN32
- Bladder disorders in diseases classified elsewhereN33
- Urethritis and urethral syndromeN34
- Urethral strictureN35
- Other disorders of urethraN36
- Urethral disorders in diseases classified elsewhereN37
- Other disorders of urinary systemN39
- Benign prostatic hyperplasiaN40
- Inflammatory diseases of prostateN41
- Other and unspecified disorders of prostateN42
- Hydrocele and spermatoceleN43
44 more in this chapter.