I77.79 is the authoritative medical code for Dissection of other specified artery. This classification is used in medical billing and clinical recording to specify the clinical criteria for dissection of other specified artery (ICD-10-CM I77.79), 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
Dissection of other specified artery is a billable ICD-10-CM diagnosis code I77.79. Excludes2 (not included here): dissection of aorta I71.0-; dissection of coronary artery I25.42; collagen vascular diseases M30-M36; hypersensitivity angiitis M31.0; pulmonary artery I28.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I77.79 in the official ICD-10-CM tabular list.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- dissection of aorta I71.0-
- dissection of coronary artery I25.42
- collagen vascular diseases M30-M36
- hypersensitivity angiitis M31.0
- pulmonary artery I28.-
Frequently Asked Questions (FAQ) & Clinical Guidance
Can I77.79 be reported alongside related conditions?
Per Excludes2 instructions, I77.79 and the following may both be reported when both are present: dissection of aorta (I71.0-); dissection of coronary artery (I25.42); collagen (vascular) diseases (M30-M36); hypersensitivity angiitis (M31.0).
Codes in This Family (26)
Official ICD-10-CM classifications in the same code family as I77.79, with their registry titles.
- I77 — Other disorders of arteries and arterioles
- I77.0 — Arteriovenous fistula, acquired
- I77.1 — Stricture of artery
- I77.2 — Rupture of artery
- I77.3 — Arterial fibromuscular dysplasia
- I77.4 — Celiac artery compression syndrome
- I77.5 — Necrosis of artery
- I77.6 — Arteritis, unspecified
- I77.7 — Other arterial dissection
- I77.70 — Dissection of unspecified artery
- I77.71 — Dissection of carotid artery
- I77.72 — Dissection of iliac artery
- I77.73 — Dissection of renal artery
- I77.74 — Dissection of vertebral artery
- I77.75 — Dissection of other precerebral arteries
- I77.76 — Dissection of artery of upper extremity
- I77.77 — Dissection of artery of lower extremity
- I77.8 — Other specified disorders of arteries and arterioles
- I77.81 — Aortic ectasia
- I77.810 — Thoracic aortic ectasia
- I77.811 — Abdominal aortic ectasia
- I77.812 — Thoracoabdominal aortic ectasia
- I77.819 — Aortic ectasia, unspecified site
- I77.82 — Antineutrophilic cytoplasmic antibody [ANCA] vasculitis
- I77.89 — Other specified disorders of arteries and arterioles
- I77.9 — Disorder of arteries and arterioles, unspecified
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Dissection, artery, specified NEC
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: