ICD-10/I79.1

I79.1 ICD 2026 Code: Aortitis in diseases classified elsewhere

I79.1 is the authoritative medical code for Aortitis in diseases classified elsewhere. This classification is used in medical billing and clinical recording to specify the clinical criteria for aortitis in diseases classified elsewhere (ICD-10-CM I79.1), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Aortitis in diseases classified elsewhere is a billable ICD-10-CM diagnosis code I79.1. Excludes1 (not coded here): syphilitic aortitis A52.02. Code first: underlying disease.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I79.1 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • syphilitic aortitis A52.02

Code First

Underlying conditions that must be sequenced before this code.

  • underlying disease

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with I79.1?

Per Excludes1 instructions, I79.1 must not be reported with: syphilitic aortitis (A52.02).

Does I79.1 need to be sequenced after another code?

Yes. Code first: underlying disease.

Codes in This Family (3)

Official ICD-10-CM classifications in the same code family as I79.1, with their registry titles.

  • I79 — Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
  • I79.0 — Aneurysm of aorta in diseases classified elsewhere
  • I79.8 — Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code I74.1 Embolism and thrombosis of other and unspecified parts of aorta
ICD Code I77.1 Stricture of artery
ICD Code I78.1 Nevus, non-neoplastic
ICD Code I80.1 Phlebitis and thrombophlebitis of femoral vein
ICD Code I82.1 Thrombophlebitis migrans
ICD Code I83.1 Varicose veins of lower extremities with inflammation
MedCoder.aiClinical Desktop