Renal tubulo-interstitial disorders in diseases classified elsewhere
Billable / specific
N16 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes
- pyelonephritis
Applicable to
- Pyelonephritis
- Tubulo-interstitial nephritis
Excludes1
Not coded here — never report together with this code.
- pyeloureteritis cystica (N28.85)
- 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)
Excludes2
Not included here — may be reported together when both conditions exist.
- 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)
Code first
Sequence the underlying condition first.
Also known as
- Pyelonephritis
- Tubulo-interstitial nephritis
Related codes
- N10Acute pyelonephritisBillable
- N11Chronic tubulo-interstitial nephritisHeader
- N12Tubulo-interstitial nephritis, not specified as acute or chronicBillable
- N13Obstructive and reflux uropathyHeader
- N14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditionsHeader
- N15Other renal tubulo-interstitial diseasesHeader