N16 ICD-10-CA category: Renal tubulo-interstitial disorders in diseases classified elsewhere
N16 isn’t a code on its own. Choose one of the 7 codes beneath it, the one the documentation supports.
Official description
N16Renal tubulo-interstitial disorders in diseases classified elsewhere
ICD-10-CA · Canada
Codes in N16
N16 isn’t a code on its own. Open the code that matches what the note documents.
N16.0Renal tubulo-interstitial disorders in infectious and parasitic diseases classified elsewhereN16.1Renal tubulo-interstitial disorders in neoplastic diseasesN16.2Renal tubulo-interstitial disorders in blood diseases and disorders involving the immune mechanismN16.3Renal tubulo-interstitial disorders in metabolic diseasesN16.4Renal tubulo-interstitial disorders in systemic connective tissue disordersN16.5Renal tubulo-interstitial disorders in transplant rejectionN16.8Renal tubulo-interstitial disorders in other diseases classified elsewhereNotes for N16
As CIHI prints them, with any note N16 takes from the headings above it.
Includes
- PyelonephritisFrom N10-N16 Renal tubulo-interstitial diseases
Use additional code
Add a code for this detail when the note documents it.
- Use additional code to identify associated chronic kidney disease (N18.-)From N10-N16 Renal tubulo-interstitial diseases
Excludes
Conditions classified elsewhere.
- Pyeloureteritis cystica (N28.84)From N10-N16 Renal tubulo-interstitial diseases
- Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)
Where N16 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N10-N16Renal tubulo-interstitial diseases
- 3Category N16Renal tubulo-interstitial disorders in diseases classified elsewhere
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is N16 a valid ICD-10-CA code?
No. N16 (Renal tubulo-interstitial disorders in diseases classified elsewhere) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 7 codes; record the one the documentation supports.
Where is N16 in ICD-10-CA?
N16 sits under N10-N16 Renal tubulo-interstitial diseases, within Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N16?
ICD-10-CA lists Includes, Use additional code, Excludes notes for N16, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.