N05.5
N05.5: Unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis
Billable / specific codeICD-10-CM
N05.5 is a billable, specific ICD-10-CM code for unspecified nephritic syndrome with diffuse mesangiocapillary glomerulonephritis. It is valid for submission on a claim.
Check N05.5 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.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Unspecified nephritic syndrome with membranoproliferative glomerulonephritis, types 1 and 3, or NOS
Excludes1 inherited from the categories above N05.5
A category’s note binds every code beneath it.
Other codes that can never be billed with N05.5
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
N05.5 is named in 2 Medicare coverage policies: 2 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A55336Billing and Coding: Retroperitoneal Ultrasound
- A58921Billing and Coding: Mass Spectrometry (MS) Testing in Monoclonal Gammopathy (MG)
Alphabetic index entries that lead here
- Glomerulonephritis›membranoproliferative(diffuse)(type 1 or 3)
- Glomerulonephritis›mesangiocapillary NEC(diffuse)
- Nephritis, nephritic›membranoproliferative(diffuse) (type 1 or 3)
- Glomerulonephritis›diffuse›mesangiocapillary
- Nephritis, nephritic›with›diffuse›mesangiocapillary glomerulonephritis
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under N05
- N05.0Unspecified nephritic syndrome with minor glomerular abnormality
- N05.1Unspecified nephritic syndrome with focal and segmental glomerular lesions
- N05.2Unspecified nephritic syndrome with diffuse membranous glomerulonephritis
- N05.3Unspecified nephritic syndrome with diffuse mesangial proliferative glomerulonephritis
- N05.4Unspecified nephritic syndrome with diffuse endocapillary proliferative glomerulonephritis
- N05.6Unspecified nephritic syndrome with dense deposit disease
- N05.7Unspecified nephritic syndrome with diffuse crescentic glomerulonephritis
- N05.8Unspecified nephritic syndrome with other morphologic changes
- N05.9Unspecified nephritic syndrome with unspecified morphologic changes
- N05.AUnspecified nephritic syndrome with C3 glomerulonephritis