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ICD10BillableValid for clinical use

ICD-10 Code N03.8: Chronic nephritic syndrome with other morphologic changes

N03.8 is a billable ICD-10 diagnosis code used to classify Chronic nephritic syndrome with other morphologic changes 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).

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 chronic nephritic syndrome with other morphologic changes 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
N03Chronic nephritic syndrome
currentN03

Official coding notes

Inclusion terms
  • Chronic nephritic syndrome with proliferative glomerulonephritis NOS

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

Sibling codes

N03.0Chronic nephritic syndrome with minor glomerular abnormalitybillableN03.1Chronic nephritic syndrome with focal and segmental glomerular lesionsbillableN03.2Chronic nephritic syndrome with diffuse membranous glomerulonephritisbillableN03.3Chronic nephritic syndrome with diffuse mesangial proliferative glomerulonephritisbillableN03.4Chronic nephritic syndrome with diffuse endocapillary proliferative glomerulonephritisbillableN03.5Chronic nephritic syndrome with diffuse mesangiocapillary glomerulonephritisbillableN03.6Chronic nephritic syndrome with dense deposit diseasebillableN03.7Chronic nephritic syndrome with diffuse crescentic glomerulonephritisbillableN03.9Chronic nephritic syndrome with unspecified morphologic changesbillableN03.AChronic nephritic syndrome with C3 glomerulonephritisbillable

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
N03.8

Common synonyms

Chronic nephritic syndrome with other morphologic changes

Frequently asked questions

Code details

CodeN03.8
SystemICD10
Display nameChronic nephritic syndrome with other morphologic changes
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
Nephritis, nephritic(albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)

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.