Q27.8
Other specified congenital malformations of peripheral vascular system
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 6 never code together
Q27code
Excludes2
- anomalies of cerebral and precerebral vessels (Q28.0-Q28.3)Q28.0-Q28.3
- anomalies of coronary vessels (Q24.5)Q24.5
- anomalies of pulmonary artery (Q25.5-Q25.7)Q25.5-Q25.7
- congenital retinal aneurysm (Q14.1)Q14.1
- hemangioma and lymphangioma (D18.-)D18.-
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 5
Q27.8code
Inclusion terms
- Absence of peripheral vascular system
- Atresia of peripheral vascular system
- Congenital aneurysm (peripheral)
- Congenital stricture, artery
- Congenital varix
Index entries leading here 12
- Aberrant (congenital) — see also Malposition, congenital
- Absence (of) (organ or part) (complete or partial)
- Agenesis
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) I72.9
- Anomaly, anomalous (congenital) (unspecified type) Q89.9
- Hypertrophy, hypertrophic
- Stricture — see also Stenosis
- Atresia, atretic
- Hypoplasia, hypoplastic
- Malposition
- Varix (lower limb) I83.90
- Malformation (congenital) — see also Anomaly
Alongside this code 6 same parent — Q27
Q27.0 Congenital absence and hypoplasia of umbilical artery Q27.1 Congenital renal artery stenosis Q27.2 Other congenital malformations of renal artery Q27.3 Arteriovenous malformation (peripheral) category Q27.4 Congenital phlebectasia Q27.9 Congenital malformation of peripheral vascular system, unsp
Medications 5
12 Vascular Malformations drugs 1 Central Nervous System Vascular Malformations drugs 120 Peripheral Vascular Diseases drugs 12 Nervous System Malformations drugs 50 Peripheral Nervous System Diseases drugs
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.