I79.1 – Aortitis in diseases classified elsewhere
ICD-10-CM 2027 diagnosis code · Diseases of arteries, arterioles and capillaries
ICD-10-CM code
I79.1
- Code
I79.1(claims format:I791)- Description
- Aortitis in diseases classified elsewhere
- 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
- I70-I79 Diseases of arteries, arterioles and capillaries
- Parent codes
- I79
Notes for I79.1
Excludes1 (not coded here):
- syphilitic aortitis (A52.02)
Code first:
- underlying disease
Index terms for I79.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I79
Frequently asked questions
What is ICD-10 code I79.1?
I79.1 is the ICD-10-CM code for aortitis in diseases classified elsewhere, in the block I70-I79 (Diseases of arteries, arterioles and capillaries).
Is I79.1 a billable code?
Yes. I79.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I79.1 belong to?
It belongs to category I79 – Disorders of arteries, arterioles and capillaries in diseases classified elsewhere.
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.