N04.0 ICD-10-CA code: Nephrotic syndrome, minor glomerular abnormality
N04.0 is the ICD-10-CA code for “Nephrotic syndrome, minor glomerular abnormality” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
N04.0Nephrotic syndrome, minor glomerular abnormality
Short description: Nephrotic syndrome minor glomerular abn
ICD-10-CA · Canada · Also written N040
Notes for N04.0
As CIHI prints them, with any note N04.0 takes from the headings above it.
Includes
- Minimal change lesion
- Congenital nephrotic syndromelipoid nephrosisFrom N04 Nephrotic syndrome
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 N00-N08 Glomerular diseases
- Use additional code to identify external cause (Chapter XX) or presence of renal failure, Acute (N17) or Unspecified (N19)From N00-N08 Glomerular diseases
Excludes
Conditions classified elsewhere.
- Hypertensive renal disease (I12)From N00-N08 Glomerular 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)
Note
- See note under chapter heading (N00-N08) for fourth character subdivisionsFrom N04 Nephrotic syndrome
- The following fourth-character subdivisions classify morphological changes and are for use with categories N00 - N07. Subdivisions .0 - .8 should not normally be used unless these have been specifically identified (e.g. by renal biopsy or autopsy). The three-character categories relate to clinical syndromes..0 Minor glomerular abnormalityMinimal change lesion.1 Focal and segmental glomerular lesionsGlomerulonephritis, Hyalinosis, Sclerosis — focal and segmental.2 Diffuse membranous glomerulonephritis.3 Diffuse mesangial proliferative glomerulonephritis.4 Diffuse endocapillary proliferative glomerulonephritis.5 Diffuse mesangiocapillary glomerulonephritisMembranoproliferative glomerulonephritis, types 1 and 3, or NOS.6 Dense deposit diseaseMembranoproliferative glomerulonephritis, type 2.7 Diffuse crescentic glomerulonephritisExtracapillary glomerulonephritis.8 OtherProliferative glomerulonephritis NOS.9 UnspecifiedFrom N00-N08 Glomerular diseases
Where N04.0 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N00-N08Glomerular diseases
- 3Category N04Nephrotic syndrome
- 4Valid code N04.0Nephrotic syndrome, minor glomerular abnormality
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
What does ICD-10-CA code N04.0 mean?
N04.0 is the ICD-10-CA code for “Nephrotic syndrome, minor glomerular abnormality” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is N04.0 in ICD-10-CA?
N04.0 sits under N04 Nephrotic syndrome, within N00-N08 Glomerular diseases, within Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N04.0?
ICD-10-CA lists Includes, Note, Use additional code, Excludes notes for N04.0, 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.
Codes beside N04.0
View N04N04.1Nephrotic syndrome, focal and segmental glomerular lesionsN04.2Nephrotic syndrome, diffuse membranous glomerulonephritisN04.3Nephrotic syndrome, diffuse mesangial proliferative glomerulonephritisN04.4Nephrotic syndrome, diffuse endocapillary proliferative glomerulonephritisN04.5Nephrotic syndrome, diffuse mesangiocapillary glomerulonephritisN04.6Nephrotic syndrome, dense deposit diseaseN04.7Nephrotic syndrome, diffuse crescentic glomerulonephritisN04.8Nephrotic syndrome, otherN04.9Nephrotic syndrome, unspecified