Billable / Specific Code
ICD-10-CM N03.A is the diagnosis code for Chronic nephritic syndrome with C3 glomerulonephritis. This code falls under the section "Glomerular diseases" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as N03.A. They are mutually exclusive:
Understanding where N03.A sits in the ICD-10-CM classification helps ensure proper coding:
Yes, N03.A is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
N03.A is the ICD-10-CM diagnosis code for "Chronic nephritic syndrome with C3 glomerulonephritis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of N03.A is N03 ("Chronic nephritic syndrome"). N03.A provides a more specific classification within this category.
N03.A is located in Section N00-N08 — "Glomerular diseases" within Chapter 14 of the ICD-10-CM Tabular List.
Use N03.A when the patients documented diagnosis matches "Chronic nephritic syndrome with C3 glomerulonephritis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Chronic nephritic syndrome with C3 glomerulonephritis is N03.A.
Yes, N03.A can be used as a primary diagnosis code since it is billable and specific.
N03.A is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N03.A include: Chronic nephritic syndrome (with C3 glomerulopathy) with dense deposit disease (N03.6).
Yes, N03.A is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.