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  6. 2024 ICD-10-CM Code N06.21

2024 ICD-10-CM Diagnosis Code N06.21

Primary membranous nephropathy with isolated proteinuria

ICD-10-CM Code:
N06.21
ICD-10 Code for:
Primary membranous nephropathy with isolated proteinuria
Is Billable?
Yes - Valid for Submission
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Code Classification

  • Diseases of the genitourinary system
    (N00–N99)
    • Glomerular diseases
      (N00-N08)
      • Isolated proteinuria with specified morphological lesion
        (N06)

N06.21 is a billable diagnosis code used to specify a medical diagnosis of primary membranous nephropathy with isolated proteinuria. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Idiopathic glomerulonephritis
  • Idiopathic membranous glomerulonephritis

New 2024 ICD-10-CM Code

N06.21 is new to ICD-10-CM code set for the FY 2024, effective October 1, 2023. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2023. This is a new and revised code for the FY 2024 (October 1, 2023 - September 30, 2024).

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Idiopathic membranous nephropathy (with isolated proteinuria)
  • Primary membranous nephropathy, NOS

Type 1 Excludes

Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • primary membranous nephropathy with nephrotic syndrome N04.21

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Replacement Code

N0621 replaces the following previously assigned ICD-10-CM code(s):

  • N06.2 - Isolated proteinuria w diffuse membranous glomerulonephritis

Code History

  • FY 2024 - Code Added, effective from 10/1/2023 through 9/30/2024