ICD10BillableValid for clinical use

ICD-10 Code N04.20: Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified

N04.20 is a billable ICD-10 diagnosis code used to classify Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the genitourinary system (N00-N99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the genitourinary system (N00-N99).

When is it used?

  • May be used when a clinician documents nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
14Diseases of the genitourinary system (N00-N99)
block
N00-N08Glomerular diseases
category
N04Nephrotic syndrome
category
N04.2Nephrotic syndrome with diffuse membranous glomerulonephritis
currentN04.2

Official coding notes

Inclusion terms
  • Membranous nephropathy NOS with nephrotic syndrome

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

UrologistGynecologist

Coding guidelines

Common synonyms

Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecifiedNephrotic syndrome with diffuse membranous glomerulonephritis

Frequently asked questions

Code details

CodeN04.20
SystemICD10
Display nameNephrotic syndrome with diffuse membranous glomerulonephritis, unspecified
ChapterDiseases of the genitourinary system (N00-N99)
BlockGlomerular diseases

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
NephropathySyndrome

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code N04.20 for Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified | HealthAssure