N06.22: Secondary membranous nephropathy with isolated proteinuria
N06.22 is a billable, specific ICD-10-CM code for secondary membranous nephropathy with isolated proteinuria. It is valid for submission on a claim.
Check N06.22 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- secondary membranous nephropathy with nephrotic syndrome (N04.22)
Code first
The underlying condition must be sequenced before this code.
- , if applicable, other disease or disorder or poisoning causing membranous nephropathy
Use additional code
Add a secondary code to capture the detail described below.
- code, if applicable, for adverse effect of drug causing membranous nephropathy
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Secondary membranous nephropathy, NOS
Other codes that can never be billed with N06.22
Their own Excludes1 notes name this code, so the conflict is not listed above.
- R80.0Isolated proteinuria
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N06.22 is named in 3 Medicare coverage policies: 3 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A57189Billing and Coding: Serum Magnesium
- A59186Billing and Coding: Magnesium
Alphabetic index entries that lead here
- Nephropathy›membranous›secondary
Code history
Unchanged in every release from FY2024 to FY2027.