I12 vs N17
I12 (Hypertensive chronic kidney disease) compared with N17 (Acute 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. I12 carries an Excludes2 note covering N17: “acute kidney failure (N17.-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| I12Hypertensive chronic kidney disease | N17Acute kidney failure | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Hypertensive chronic kidney disease is a non-billable ICD-10-CM category code (I12). | Acute kidney failure is a non-billable ICD-10-CM category code (N17). |
| Includes | any condition in N18 and N26 - due to hypertension arteriosclerosis of kidney arteriosclerotic nephritis (chronic) (interstitial) hypertensive nephropathy | — |
| Use additional code | code to identify: exposure to environmental tobacco smoke (Z77.22) history of tobacco dependence (Z87.891) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources