2026 ICD-10-CM Diagnosis Code I09.89Other specified rheumatic heart diseases
ICD-10-CM Codes›I00–I99›I05-I09›I09
- Billable — Valid for Submission
- Chronic Condition
I09.89 is a billable ICD-10-CM diagnosis code for other specified rheumatic heart diseases. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 306 through 307. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Chronic rheumatic heart disease.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Carditis due to rheumatic fever
- Chronic rheumatic carditis
- Chronic rheumatic pancarditis
- Pancarditis
- Pulmonary valve stenosis with insufficiency
- Rheumatic disease of pulmonary valve
- Rheumatic heart valve failure
- Rheumatic heart valve stenosis with insufficiency
- Rheumatic pulmonary valve failure
- Rheumatic pulmonary valve insufficiency
- Rheumatic pulmonary valve stenosis
- Rheumatic pulmonary valve stenosis with insufficiency
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Rheumatic disease of pulmonary valve
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Disease, diseased - See Also: Syndrome;
- heart (organic) - I51.9
- pulmonary - See Also: Disease, lung;
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) - R50.9
- rheumatic (active) (acute) (chronic) (subacute) - I00
- cardiac hypertrophy - I09.89
- endocarditis - I09.1
- pulmonary (valve) - I09.89
- heart disease NEC - I09.89
- Pancarditis (acute) (chronic) - I51.89
- rheumatic - I09.89
- Rheumatic (acute) (subacute)
- chronic - I09.89
- Stenosis, stenotic (cicatricial) - See Also: Stricture;
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Arteritis
- coronary (artery)
- rheumatic
- chronic
- Disease, diseased
- heart (organic)
- with
- rheumatic fever (conditions in I00)
- inactive or quiescent (with chorea)
- specified NEC
- Disease, diseased
- heart (organic)
- rheumatic (chronic) (inactive) (old) (quiescent) (with chorea)
- specified NEC
- Disease, diseased
- pulmonary
- valve
- rheumatic
- Endocarditis(chronic) (marantic) (nonbacterial) (thrombotic) (valvular)
- pulmonary (chronic) (heart) (valve)
- with rheumatic fever (conditions in I00)
- inactive or quiescent (with chorea)
- Endocarditis(chronic) (marantic) (nonbacterial) (thrombotic) (valvular)
- pulmonary (chronic) (heart) (valve)
- rheumatic (chronic) (inactive) (with chorea)
- Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor)
- rheumatic (active) (acute) (chronic) (subacute)
- inactive or quiescent with
- cardiac hypertrophy
- Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor)
- rheumatic (active) (acute) (chronic) (subacute)
- inactive or quiescent with
- endocarditis
- pulmonary (valve)
- Fever(inanition) (of unknown origin) (persistent) (with chills) (with rigor)
- rheumatic (active) (acute) (chronic) (subacute)
- inactive or quiescent with
- heart disease NEC
- Hypertrophy, hypertrophic
- cardiac (chronic) (idiopathic)
- with rheumatic fever (conditions in I00)
- inactive or quiescent (with chorea)
- Hypertrophy, hypertrophic
- cardiac (chronic) (idiopathic)
- rheumatic (with chorea)
- Insufficiency, insufficient
- pulmonary
- valve
- rheumatic
- Pancarditis(acute) (chronic)
- rheumatic
- Rheumatic(acute) (subacute)
- chronic
- Stenosis, stenotic(cicatricial)
- pulmonary (artery) (congenital)
- valve
- rheumatic
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Heart Diseases
Heart disease is a general term that includes many types of heart problems. It's a type of cardiovascular disease, which means heart and blood vessel disease.
The full article covers:
- What is heart disease?
- What are the types of heart disease?
- What causes heart diseases?
- Who is more likely to develop heart diseases?
- What are the symptoms of heart disease?
- How are heart diseases diagnosed?
- What are the treatments for heart disease?
- Can heart diseases be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert I09.89 to ICD-9-CMHistory
Code HistoryHistory
Questions About I09.89Overview
Is I09.89 (Other specified rheumatic heart diseases) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified rheumatic heart diseases on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does I09.89 group to?
When other specified rheumatic heart diseases is the principal diagnosis on an inpatient stay, it groups to MS-DRG 306, 307, with relative weights from 0.9132 to 1.5758 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of I09.89?
Under the General Equivalence Mappings, other specified rheumatic heart diseases converts to ICD-9-CM 397.1 (rheum pulmon valve dis) and 398.99 (rheumatic heart dis NEC). 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.
