ICD-10 N19
Billable / SpecificUnspecified kidney failure
About ICD-10-CM N19
ICD-10-CM code N19 represents Unspecified kidney failure. This is a billable/specific code in the Genitourinary System chapter (block N19). The 2026 edition of ICD-10-CM N19 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under N19. Per CMS ICD-10-CM Tabular 2026.
- Uremia NOS
Type 1 Excludes
Pure excludes, these codes can never be coded together with N19. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- acute kidney failure (N17.-)
- chronic kidney disease (N18.-)
- chronic uremia (N18.9)
- extrarenal uremia (R39.2)
- prerenal uremia (R39.2)
- renal insufficiency (acute) (N28.9)
- uremia of newborn (P96.0)
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.
Medicare LCD Coverage for N19
Local Coverage Determinations (LCDs) from CMS MACs that list N19 as a covered diagnosis.
Showing top 10 of 121 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing N19.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with N19
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 90935 Hemodialysis single — ESRD, CKD stage 5, acute kidney injury, hyperkalemia, hypokalemia, hypernatremia, drug overdose, unspecified kidney failure Nephrology
Convert N19 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 |
|---|---|---|
| N19 | 586 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To N19
Other codes in section N17-N19 (Acute kidney failure and chronic kidney disease).
ICD-10 N19, Billing FAQ
Is ICD-10 code N19 billable? +
Yes, N19 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 N19? +
ICD-10 N19 includes: Uremia NOS.
What codes are Type 1 Excludes for N19? +
Type 1 Excludes (never code together with N19): acute kidney failure (N17.-); chronic kidney disease (N18.-); chronic uremia (N18.9)
What CPT codes are commonly billed with N19? +
Procedures frequently paired with N19 include: 90935.
What ICD-9 codes does N19 map to? +
Per CMS GEMs, N19 maps to ICD-9 codes: 586. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 17, 2026.
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