ICD-10 Code N04.22 - Secondary membranous nephropathy with nephrotic syndrome

ICD-10-CM Diagnosis Code N04.22

Diagnosis Code: N04.22 (Raw: N0422)

Description: Secondary membranous nephropathy with nephrotic syndrome

Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)

Fiscal Year: 2026

CMS Section 111 Status: Valid for reporting.

Overview & Clinical Details

ICD-10-CM code N04.22 is designated for Secondary membranous nephropathy with nephrotic syndrome. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.