2026 ICD-10-CM Diagnosis Code N00.B2

Acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)

ICD-10-CM Code:
N00.B2
ICD-10 Code for:
Ac nep syn w sec imm cmplx membr prolif glomrlneph (IC-MPGN)
Is Billable?
Yes - Valid for Submission
Code Navigator:

N00.B2 is a billable diagnosis code used to specify a medical diagnosis of acute nephritic syndrome with secondary immune complex membranoproliferative glomerulonephritis (ic-mpgn). The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2025 through September 30, 2026.

Code Classification

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

New 2026 ICD-10-CM Code

N00.B2 is new to ICD-10-CM code set for the FY 2026, effective October 1, 2025. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2025. This is a new and revised code for the FY 2026 (October 1, 2025 - September 30, 2026).

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).

Index of External Cause of Injuries

References found for this diagnosis code in the External Cause of Injuries Index:

    • Nephritis, nephritic(albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)
      • acute
        • with
          • secondary immune complex membranoproliferative glomerulonephritis (IC-MPGN)

Replacement Code

N00B2 replaces the following previously assigned ICD-10-CM code(s):

  • N00.8 - Acute nephritic syndrome with other morphologic changes

Code History

  • FY 2026 - Code Added, effective from 10/1/2025 through 9/30/2026