ICD10BillableValid for clinical use

ICD-10 Code N06.22: Secondary membranous nephropathy with isolated proteinuria

N06.22 is a billable ICD-10 diagnosis code used to classify Secondary membranous nephropathy with isolated proteinuria 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 secondary membranous nephropathy with isolated proteinuria 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
N06Isolated proteinuria with specified morphological lesion
category
N06.2Isolated proteinuria with diffuse membranous glomerulonephritis
currentN06.2

Official coding notes

Inclusion terms
  • Secondary membranous nephropathy, NOS
Applicable to
  • code, if applicable, for adverse effect of drug causing membranous nephropathy
  • , if applicable, other disease or disorder or poisoning causing membranous nephropathy
Excludes1 (do not code together)
  • secondary membranous nephropathy with nephrotic syndrome (N04.22)
Code first
  • , if applicable, other disease or disorder or poisoning causing membranous nephropathy
Use additional code
  • code, if applicable, for adverse effect of drug causing membranous nephropathy

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

Secondary membranous nephropathy with isolated proteinuria

Frequently asked questions

Code details

CodeN06.22
SystemICD10
Display nameSecondary membranous nephropathy with isolated proteinuria
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
Nephropathy

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 N06.22 for Secondary membranous nephropathy with isolated proteinuria | HealthAssure