N12
BillableTubulo-interstitial nephritis, not spcf as acute or chronic
Tubulo-interstitial nephritis, not specified as acute or chronic
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Interstitial nephritis NOS
- Pyelitis NOS
- Pyelonephritis NOS
Includes
Conditions included under this code
- pyelonephritis
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Related Conditions
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(99)
SNOMED CT
- Idiopathic granulomatous interstitial nephropathy11480007
- Pyelitis27174002
- Pyelonephritis45816000
- Immunologic mediated TIN (tubulointerstitial nephritis)45927004
- Immunologic mediated tubulointerstitial nephritis45927004
- Anti-glomerular basement membrane tubulointerstitial nephritis62853008
- Familial interstitial nephritis83923004
- Mycoplasmal pyelonephritis95889002
- Subacute pyelonephritis123611003
- Diffuse pyelonephritis123755001
- Granulomatous interstitial nephritis236458001
- Granulomatous tubulointerstitial nephritis236458001
- TINU - Tubulointerstitial nephritis with uveitis syndrome418839003
- Tubulointerstitial nephritis with uveitis syndrome418839003
- Idiopathic interstitial nephritis424188009
- Idiopathic interstitial tubulonephritis424188009
- Interstitial nephritis428255004
- Renal tubulo-interstitial disease428255004
- Tubulo-interstitial nephritis428255004
- Tubulointerstitial nephritis428255004
- Tubulointerstitial nephropathy428255004
- Anti GBM - antiglomerular basement membrane disease788613004
- Anti-glomerular basement membrane disease788613004
- Goodpasture disease788613004
- Goodpasture's disease788613004
- Primary tubulointerstitial nephritis15911000119103
- Secondary tubulointerstitial nephritis50411000119108
UMLS
- IN - Interstitial nephritisC0027707
- Interstitial NephritidesC0027707
- Interstitial NephritisC0027707
- Interstitial nephritisC0027707
- Interstitial nephritis (qualifier value)C0027707
- Interstitial nephritis NOSC0027707
- Nephritides, InterstitialC0027707
- Nephritis interstitialC0027707
- Nephritis, InterstitialC0027707
- disease tubulointerstitialC0027707
- interstitial nephritisC0027707
- nephritis interstitialC0027707
- tubulointerstitial diseaseC0027707
- tubulointerstitial nephropathyC0027707
- Kidney InfectionC0034186
- PyelonephritidesC0034186
- PyelonephritisC0034186
- Pyelonephritis (disorder)C0034186
- Pyelonephritis NOSC0034186
- Pyelonephritis, unspecifiedC0034186
- bacterial infection of the kidneyC0034186
- pyelonephritisC0034186
- PyelitisC0034183
- Pyelitis (disorder)C0034183
- Pyelitis NOSC0034183
- pyelitisC0034183
- Tubulo-interstitial nephritis, not spcf as acute or chronicC0477743
- Tubulo-interstitial nephritis, not specified as acute or chronicC0477743
Clinical Terms
- Primary tubulointerstitial nephritis
- tubulointerstitial disease
- Interstitial nephritis NOS
- Pyelonephritides
- tubulointerstitial nephropathy
- Anti-glomerular basement membrane disease
- Interstitial Nephritides
- Idiopathic interstitial tubulonephritis
- Nephritides, Interstitial
- Granulomatous interstitial nephritis
- Renal tubulo-interstitial disease
- Pyelitis (disorder)
- Anti-glomerular basement membrane tubulointerstitial nephritis
- Pyelonephritis (disorder)
- Idiopathic interstitial nephritis
- Idiopathic granulomatous interstitial nephropathy
- Goodpasture disease
- Secondary tubulointerstitial nephritis
- Subacute pyelonephritis
- Tubulointerstitial nephritis with uveitis syndrome
- nephritis interstitial
- Interstitial nephritis
- Nephritis, Interstitial
- Pyelitis NOS
- Interstitial nephritis (qualifier value)
- Pyelonephritis
- Anti GBM - antiglomerular basement membrane disease
- Pyelonephritis, unspecified
- Granulomatous tubulointerstitial nephritis
- Immunologic mediated tubulointerstitial nephritis
- pyelitis
- Goodpasture's disease
- bacterial infection of the kidney
- TINU - Tubulointerstitial nephritis with uveitis syndrome
- Kidney Infection
- Familial interstitial nephritis
- Diffuse pyelonephritis
- Tubulointerstitial nephritis
- Immunologic mediated TIN (tubulointerstitial nephritis)
- disease tubulointerstitial
- Tubulo-interstitial nephritis
- Pyelonephritis NOS
- Mycoplasmal pyelonephritis
- IN - Interstitial nephritis
Frequently Asked Questions
What is the ICD-10 code for tubulo-interstitial nephritis, not spcf as acute or chronic?
The ICD-10-CM code for tubulo-interstitial nephritis, not spcf as acute or chronic is N12. The full clinical description is "Tubulo-interstitial nephritis, not specified as acute or chronic". N12 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code N12 mean?
ICD-10-CM code N12 represents “Tubulo-interstitial nephritis, not specified as acute or chronic”. It is classified under Chapter 14: Diseases of the Genitourinary System and is a billable/specific code that can be used on a claim.
Is N12 a billable code?
Yes, N12 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N12 in?
N12 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N12?
N12 has Excludes1 notes indicating codes that cannot be used together with it, including: pyeloureteritis cystica (N28.85); calculous pyelonephritis (N20.9).
What SNOMED CT codes does N12 map to?
N12 maps to 16 SNOMED CT concepts: 788613004, 62853008, 123755001, 83923004, 236458001, and 11 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N12?
N12 is linked to 4 UMLS Concept Unique Identifiers: C0027707, C0034186, C0034183, C0477743. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does N12 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like tubulo-interstitial nephritis, not spcf as acute or chronic affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of N12?
N12 maps to the ICD-11 code: GB54 (Tubulo-interstitial nephritis, not specified as acute or chronic).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.