I70.1 vs N28.0
I70.1 (Atherosclerosis of renal artery) compared with N28.0 (Ischemia and infarction of kidney), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. N28.0 carries an Excludes1 note covering I70.1: “atherosclerosis of renal artery (extrarenal part) (I70.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. N28.0 carries an Excludes1 note covering I70.1: “Goldblatt's kidney (I70.1)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| I70.1Atherosclerosis of renal artery | N28.0Ischemia and infarction of kidney | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | N00-N99 — Diseases of the Genitourinary System (N00-N99) |
| Definition | Atherosclerosis of renal artery is a billable ICD-10-CM diagnosis code (I70.1). | Ischemia and infarction of kidney is a billable ICD-10-CM diagnosis code (N28.0). |
| Includes | arteriolosclerosis arterial degeneration arteriosclerosis arteriosclerotic vascular disease | Renal artery embolism Renal artery obstruction Renal artery occlusion Renal artery thrombosis |
| 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