I35.8 – Other nonrheumatic aortic valve disorders
ICD-10-CM 2027 diagnosis code · Other forms of heart disease
ICD-10-CM code
I35.8
- Code
I35.8(claims format:I358)- Description
- Other nonrheumatic aortic valve disorders
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I30-I5A Other forms of heart disease
- Parent codes
- I35
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I35 – Nonrheumatic aortic valve disorders
Excludes2 (not included here):
Code also:
- , if applicable, bicuspid aortic valve (Q23.81)
Index terms for I35.8
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Endocarditis, aortic
- Failure, failed, aortic
- Aneurysm, aorta, aortic, valve
- Ectasia, ectasis, annuloaortic
- Endocarditis, aortic, arteriosclerotic
- Endocarditis, aortic, specified cause NEC
- Deformity, aortic, cusp or valve, acquired
- Atheroma, atheromatous, aorta, aortic, valve
- Rupture, ruptured, aorta, aortic, valve or cusp
Related codes in I35
Frequently asked questions
What is ICD-10 code I35.8?
I35.8 is the ICD-10-CM code for other nonrheumatic aortic valve disorders, in the block I30-I5A (Other forms of heart disease).
Is I35.8 a billable code?
Yes. I35.8 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I35.8 belong to?
It belongs to category I35 – Nonrheumatic aortic valve disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.