ICD-10 N02.B5
Billable / Specific CCRecurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis
About ICD-10-CM N02.B5
ICD-10-CM code N02.B5 represents Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis. This is a billable/specific code in the Genitourinary System chapter (block N02). The 2026 edition of ICD-10-CM N02.B5 became effective on October 1, 2025.
Coding Tips for N02.B5
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
N02.B5 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Inpatient DRG Impact, CC
codes Recurrent and persistent immunoglobulin A nephropathy with diffuse mesangial proliferative glomerulonephritis. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for N02.B5
Local Coverage Determinations (LCDs) from CMS MACs that list N02.B5 as a covered diagnosis.
Showing top 1. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N02.B5.
1 Medicare
CPT Codes Commonly Billed with N02.B5
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To N02.B5
Other codes in section N00-N08 (Glomerular diseases).
ICD-10 N02.B5, Billing FAQ
Is ICD-10 code N02.B5 billable? +
Yes, N02.B5 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is N02.B5 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team