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  6. 2026 ICD-10-CM Code N00.B

2026 ICD-10-CM Diagnosis Code N00.B

Acute nephritic syndrome with immune complex membranoproliferative glomerulonephritis

ICD-10-CM Code:
N00.B
ICD-10 Code for:
Acute neph synd with immune complex membr prolif glomrlneph
Is Billable?
Not Valid for Submission
Code Navigator:

N00.B is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of acute nephritic syndrome with immune complex membranoproliferative glomerulonephritis. The code is not specific and is NOT valid for the year 2026 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Acute neph synd with immune complex membr prolif glomrlneph

Non-specific codes like N00.B require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for acute neph synd with immune complex membr prolif glomrlneph:

  • Use N00.B1 for Acute nephritic syndrome with idiopathic immune membranoproliferative glomerulonephritis (IC-MPGN) - BILLABLE CODE

  • Use N00.B2 for Acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN) - BILLABLE CODE

Code Classification

  • Diseases of the genitourinary system
    N00–N99
    • Glomerular diseases
      N00-N08
      • Acute nephritic syndrome
        N00

Code History

  • FY 2026 - No Change, effective from 10/1/2025 through 9/30/2026