I35.8

Billable
ChapterI00–I99
Ranksubcategory
Official Description

Other nonrheumatic aortic valve disorders

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).
General instructions are available for the parent sections:
View CH9 NotesView I35 Notes

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I35Nonrheumatic aortic valve disorders
I35.8Other nonrheumatic aortic valve disorders

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I35.8:

categoryI35
Nonrheumatic aortic valve disorders
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I35.8. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

9 raw paths
Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular)1 unique routes
aorta, aortic (nonsyphilitic)
valve (heart)→I35.8
Atheroma, atheromatous1 unique routes
aorta, aortic
valve→I35.8
Deformity1 unique routes
aortic
cusp or valve (congenital)
acquired→I35.8
Ectasia, ectasis1 unique routes
annuloaortic→I35.8
Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)3 unique routes
aortic (heart) (nonrheumatic) (valve)→I35.8(3 variants)
arteriosclerotic→I35.8
specified cause NEC→I35.8
Failure, failed1 unique routes
aortic (valve)→I35.8
Rupture, ruptured1 unique routes
aorta, aortic
valve or cusp→I35.8

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 306
Cardiac Congenital and Valvular Disorders with MCC
DRG 307
Cardiac Congenital and Valvular Disorders without MCC

Cross Reference

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