Q27.0

Congenital absence and hypoplasia of umbilical artery

Billable FY2026 2025-10-01 → 2026-09-30

Exclusions 5 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.-

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 1

Q27.0code

Inclusion terms

Single umbilical artery

Index entries leading here 9

Absence (of) (organ or part) (complete or partial)
- artery (congenital) (peripheral) Q27.8
  - umbilical Q27.0
- umbilical artery, congenital Q27.0
Agenesis
- artery (peripheral) Q27.9
  - umbilical Q27.0
Anomaly, anomalous (congenital) (unspecified type) Q89.9
- artery (peripheral) Q27.9
  - umbilical Q27.0
- umbilical artery Q27.0
Stricture — see also Stenosis
- artery I77.1
  - congenital (peripheral) Q27.8
    - umbilical Q27.0
Artery, arterial — see also condition
- single umbilical Q27.0
Deformity Q89.9
- artery (congenital) (peripheral) NOS Q27.9
  - umbilical Q27.0
Atresia, atretic
- artery NEC Q27.8
  - umbilical Q27.0
Hypoplasia, hypoplastic
- artery (peripheral) Q27.8
  - umbilical Q27.0
- umbilical artery Q27.0
Single
- umbilical artery Q27.0

Alongside this code 6 same parent — Q27

Q27.1 Congenital renal artery stenosis Q27.2 Other congenital malformations of renal artery Q27.3 Arteriovenous malformation (peripheral) category Q27.4 Congenital phlebectasia Q27.8 Oth congenital malformations of peripheral vascular system Q27.9 Congenital malformation of peripheral vascular system, unsp

Medications 1

692 Congenital, Hereditary, and Neonatal Diseases and Abnormalities 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.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable: yes
Code set: FY2026
Parent: Q27
Block: Q20-Q28
Siblings: 6

Present FY2024–FY2027.