2026 ICD-10-CM Diagnosis Code I13.2Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease

ICD-10-CM Codes›I00–I99›I10-I1A›I13

ICD-10-CM I13.2
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I13.2 is a billable ICD-10-CM diagnosis code for hypertensive heart and chronic kidney disease with heart failure and 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 291 through 293. Coders also document this condition as cardiorenal syndrome. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Chronic kidney disease, Heart failure, and Hypertension with complications and secondary hypertension.

This medical diagnosis code is frequently used in Cardiology medical specialties to designate conditions such heart failure.

Code Identity

ICD-10-CM Code
I13.2
Billable Status
Yes — Valid for Submission
Code Describes
Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease
Short Description
Hyp hrt & chr kdny dis w hrt fail and w stg 5 chr kdny/ESRD
Parent Code
I13
Hypertensive heart and chronic kidney disease

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI10-I1AHypertensive diseases
CategoryI13Hypertensive heart and chronic kidney disease
This CodeI13.2Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Cardiorenal syndrome
  • Hypertensive heart and renal disease with both heart failure and renal failure
  • Hypertensive renal failure

Tabular List NotesGuidance

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

Use Additional Code

  • code to identify type of heart failure I50

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.

    • Failure, failed
      • cardiorenal (chronic)
        • hypertensive
    • Hypertension, hypertensive(accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)
      • cardiorenal (disease)
        • with heart failure
          • with stage 5 or end stage renal disease
    • Insufficiency, insufficient
      • cardiorenal, hypertensive

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 CIR019
Heart failure
Default principal diagnosis: inpatient No · outpatient No
CCSR CIR008
Hypertension with complications and secondary hypertension
Default principal diagnosis: inpatient No · outpatient No

Clinical InformationClinical

  • Cardiorenal Syndrome

    a disorder of the heart and kidneys in which dysfunction of one of the organs induces dysfunction of the other organ.

Patient EducationClinical

Heart Failure

Heart failure means that your heart can't pump enough oxygen-rich blood to meet your body's needs. Heart failure doesn't mean that your heart has stopped or is about to stop beating. But without enough blood flow, your organs may not work well, which can cause serious problems.

The full article covers:

  • What is heart failure?
  • What causes heart failure?
  • Who is more likely to develop heart failure?
  • What are the symptoms of heart failure?
  • What other problems does heart failure cause?
  • How is heart failure diagnosed?
  • What are the treatments for heart failure?
  • Can heart failure be prevented?

Read the full article at MedlinePlus

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

Convert I13.2 to ICD-9-CMHistory

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

ICD-9-CM
404.03 Mal hyp ht/kd stg V w hf
Approximate The match is approximate rather than exact.
ICD-9-CM
404.13 Ben hyp ht/kd stg V w hf
Approximate The match is approximate rather than exact.
ICD-9-CM
404.93 Hyp ht/kd NOS st V w hf
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 I13.2Overview

Is I13.2 (Hypertensive heart and chronic kidney disease) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report hypertensive heart and chronic kidney disease with heart failure and 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 I13.2 group to?

When hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease is the principal diagnosis on an inpatient stay, it groups to MS-DRG 291, 292, 293, with relative weights from 0.5660 to 1.2838 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of I13.2?

Under the General Equivalence Mappings, hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease converts to ICD-9-CM 404.03 (mal hyp ht/kd stg V w hf), 404.13 (ben hyp ht/kd stg V w hf), and 404.93 (hyp ht/kd NOS st V w hf). 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.