ICD-10/I79.8

I79.8 ICD 2026 Code: Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere

I79.8 is the authoritative medical code for Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere. This classification is used in medical billing and clinical recording to specify the clinical criteria for other disorders of arteries, arterioles and capillaries in diseases classified elsewhere (ICD-10-CM I79.8), 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

Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere is a billable ICD-10-CM diagnosis code I79.8. Excludes1 (not coded here): diabetic peripheral angiopathy (E08-E13 with .51-.52); syphilitic endarteritis A52.09; tuberculous endarteritis A18.89. Code first: underlying disease, such as:; amyloidosis E85.-.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I79.8 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.

  • diabetic peripheral angiopathy (E08-E13 with .51-.52)
  • syphilitic endarteritis A52.09
  • tuberculous endarteritis A18.89

Code First

Underlying conditions that must be sequenced before this code.

  • underlying disease, such as:
  • amyloidosis E85.-

Frequently Asked Questions (FAQ) & Clinical Guidance

What can't be coded together with I79.8?

Per Excludes1 instructions, I79.8 must not be reported with: diabetic (peripheral) angiopathy (E08-E13 with .51-.52); syphilitic endarteritis (A52.09); tuberculous endarteritis (A18.89).

Does I79.8 need to be sequenced after another code?

Yes. Code first: underlying disease, such as:; amyloidosis (E85.-).

Codes in This Family (3)

Official ICD-10-CM classifications in the same code family as I79.8, with their registry titles.

  • I79 — Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
  • I79.0 — Aneurysm of aorta in diseases classified elsewhere
  • I79.1 — Aortitis 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 I74.8 Embolism and thrombosis of other arteries
ICD Code I75.8 Atheroembolism of other sites
ICD Code I77.8 Other specified disorders of arteries and arterioles
ICD Code I78.8 Other diseases of capillaries
ICD Code I80.8 Phlebitis and thrombophlebitis of other sites
ICD Code I82.8 Embolism and thrombosis of other specified veins
ICD Code I83.8 Varicose veins of lower extremities with other complications
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