ICD-10 N01.0
Billable / Specific MCCRapidly progressive nephritic syndrome with minor glomerular abnormality
About ICD-10-CM N01.0
ICD-10-CM code N01.0 represents Rapidly progressive nephritic syndrome with minor glomerular abnormality. This is a billable/specific code in the Genitourinary System chapter (block N01). The 2026 edition of ICD-10-CM N01.0 became effective on October 1, 2025.
Coding Tips for N01.0
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
N01.0 is designated MCC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-MCC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag MCC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under N01.0. Per CMS ICD-10-CM Tabular 2026.
- Rapidly progressive nephritic syndrome with minimal change lesion
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, MCC
codes Rapidly progressive nephritic syndrome with minor glomerular abnormality. As a Major Complication/Comorbidity (MCC), this can shift the DRG assignment to a higher-weighted category, substantial reimbursement impact.
Medicare LCD Coverage for N01.0
Local Coverage Determinations (LCDs) from CMS MACs that list N01.0 as a covered diagnosis.
Showing top 10. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N01.0.
3 Medicare
CPT Codes Commonly Billed with N01.0
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.
Convert N01.0 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| N01.0 | 5804 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To N01.0
Other codes in section N00-N08 (Glomerular diseases).
ICD-10 N01.0, Billing FAQ
Is ICD-10 code N01.0 billable? +
Yes, N01.0 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to N01.0? +
ICD-10 N01.0 includes: Rapidly progressive nephritic syndrome with minimal change lesion.
Is N01.0 a CC or MCC for inpatient DRG? +
Yes, this code is designated as MCC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What ICD-9 codes does N01.0 map to? +
Per CMS GEMs, N01.0 maps to ICD-9 codes: 5804. Useful for legacy data review and historical claim analysis.
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