N17 vs N99.0
N17 (Acute kidney failure) compared with N99.0 (Postprocedural (acute) (chronic) kidney failure), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. N17 carries an Excludes2 note covering N99.0: “renal failure postprocedural (N99.0)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| N17Acute kidney failure | N99.0Postprocedural (acute) (chronic) kidney failure | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | N00-N99 — Diseases of the Genitourinary System (N00-N99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Acute kidney failure is a non-billable ICD-10-CM category code (N17). | Postprocedural (acute) (chronic) kidney failure is a billable ICD-10-CM diagnosis code (N99.0). |
| Use additional code | — | code to type of kidney disease |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources