N04.21
Billable codePrimary membranous nephropathy with nephrotic syndrome
The ICD-10 code for primary membranous nephropathy with nephrotic syndrome is N04.21.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Idiopathic membranous nephropathy with nephrotic syndrome
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- N04.20Nephrotic syndrome with diffuse membranous glomerulonephritis, unspecified
- N04.22Secondary membranous nephropathy with nephrotic syndrome
- N04.29Other nephrotic syndrome with diffuse membranous glomerulonephritis
- N04.21Primary membranous nephropathy with nephrotic syndrome
Associated MS-DRGs
N04.21 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.