I12
⚠ Non-billable
Hypertensive chronic kidney disease
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I12
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
📖 In-depth coding guide
ICD-10 Code I10 — Essential Hypertension Guide →
Official coding notes
From CMS's ICD-10-CM Tabular List.
Includes
- any condition in N18 and N26 - due to hypertension
- arteriosclerosis of kidney
- arteriosclerotic nephritis (chronic) (interstitial)
- hypertensive nephropathy
- nephrosclerosis
Excludes1 — never code together
- hypertension due to kidney disease (I15.0, I15.1)
- renovascular hypertension (I15.0)
- secondary hypertension (I15.-)
Excludes2 — not included here, but may code together
- acute kidney failure (N17.-)
Frequently asked questions
What is ICD-10 code I12?
ICD-10-CM code I12 represents Hypertensive chronic kidney disease. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I12 billable?
No. I12 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I12 in?
I12 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I12 category
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