Billable / Specific Code
ICD-10-CM N06.20 is the diagnosis code for Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified. 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 N06.20. They are mutually exclusive:
Understanding where N06.20 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, N06.20 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
N06.20 is the ICD-10-CM diagnosis code for "Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of N06.20 is N06.2 ("Isolated proteinuria with diffuse membranous glomerulonephritis"). N06.20 provides a more specific classification within this category.
N06.20 is located in Section N00-N08 — "Glomerular diseases" within Chapter 14 of the ICD-10-CM Tabular List.
Use N06.20 when the patients documented diagnosis matches "Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified" 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 Isolated proteinuria with diffuse membranous glomerulonephritis, unspecified is N06.20.
Yes, N06.20 can be used as a primary diagnosis code since it is billable and specific.
N06.20 is in Chapter 14 of the ICD-10-CM Tabular List.
Type 1 Excludes for N06.20 include: membranous nephropathy NOS with nephrotic syndrome (N04.20).
Yes, N06.20 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.