2026 ICD-10-CM Diagnosis Code I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease

ICD-10-CM Codes›I00–I99›I10-I1A›I12

ICD-10-CM I12.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I12.0 is a billable ICD-10-CM diagnosis code for hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 673 through 675, 682 through 684. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Chronic kidney disease and Hypertension with complications and secondary hypertension.

Code Identity

ICD-10-CM Code
I12.0
Billable Status
Yes — Valid for Submission
Code Describes
Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
Short Description
Hyp chr kidney disease w stage 5 chr kidney disease or ESRD
Parent Code
I12
Hypertensive chronic kidney disease

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI10-I1AHypertensive diseases
CategoryI12Hypertensive chronic kidney disease
This CodeI12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Chronic kidney disease due to benign hypertension
  • Chronic kidney disease stage 5 due to benign hypertension
  • Chronic kidney disease stage 5 due to hypertension
  • End stage renal disease due to benign hypertension
  • End stage renal disease due to hypertension
  • End stage renal disease on dialysis due to hypertension
  • End stage renal disease on dialysis due to type 2 diabetes mellitus
  • End stage renal failure on dialysis
  • Hypertension concurrent and due to end stage renal disease on dialysis
  • Hypertension concurrent and due to end stage renal disease on dialysis due to type 2 diabetes mellitus
  • Hypertension in chronic kidney disease due to type 2 diabetes mellitus
  • Hypertensive renal failure
  • Malignant hypertensive chronic kidney disease
  • Malignant hypertensive chronic kidney disease stage 5
  • Malignant hypertensive end stage renal disease
  • Malignant hypertensive end stage renal disease on dialysis
  • Malignant hypertensive renal disease

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Use Additional Code

  • code to identify the stage of chronic kidney disease N18.5 N18.6

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Disease, diseased
      • end stage renal (ESRD)
        • due to hypertension
    • Disease, diseased
      • renal (functional) (pelvis)
        • end-stage (failure)
          • due to hypertension
    • Failure, failed
      • renal
        • end stage (chronic)
          • due to hypertension
    • Hypertension, hypertensive(accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)
      • kidney
        • with
          • stage 5 chronic kidney disease (CKD) or end stage renal disease (ESRD)

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR GEN003
Chronic kidney disease
Default principal diagnosis: inpatient Yes · outpatient Yes
CCSR CIR008
Hypertension with complications and secondary hypertension
Default principal diagnosis: inpatient No · outpatient No

Patient EducationClinical

Chronic Kidney Disease

You have two kidneys, each about the size of your fist. Their main job is to filter your blood. They remove wastes and extra water, which become urine. They also keep the body's chemicals balanced, help control blood pressure, and make hormones.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert I12.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
403.01 Mal hyp kid w cr kid V
Approximate The match is approximate rather than exact.
ICD-9-CM
403.11 Ben hyp kid w cr kid V
Approximate The match is approximate rather than exact.
ICD-9-CM
403.91 Hyp kid NOS w cr kid V
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I12.0Overview

Is I12.0 (Hypertensive chronic kidney disease) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does I12.0 group to?

When hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease is the principal diagnosis on an inpatient stay, it groups to MS-DRG 673, 674, 675, 682, 683, 684, with relative weights from 0.6003 to 4.2016 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of I12.0?

Under the General Equivalence Mappings, hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease converts to ICD-9-CM 403.01 (mal hyp kid w cr kid V), 403.11 (ben hyp kid w cr kid V), and 403.91 (hyp kid NOS w cr kid V). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.