Q26
Header — not billableCongenital malformations of great veins
The ICD-10 code for congenital malformations of great veins is Q26.
Q26 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under Q26
- Q26.0Congenital stenosis of vena cava
- Q26.1Persistent left superior vena cava
- Q26.2Total anomalous pulmonary venous connection
- Q26.3Partial anomalous pulmonary venous connection
- Q26.4Anomalous pulmonary venous connection, unspecified
- Q26.5Anomalous portal venous connection
- Q26.6Portal vein-hepatic artery fistula
- Q26.8Other congenital malformations of great veins
- Q26.9Congenital malformation of great vein, unspecified
Related codes in this category
- Q20Congenital malformations of cardiac chambers and connectionsnon-billable header
- Q21Congenital malformations of cardiac septanon-billable header
- Q22Congenital malformations of pulmonary and tricuspid valvesnon-billable header
- Q23Congenital malformations of aortic and mitral valvesnon-billable header
- Q24Other congenital malformations of heartnon-billable header
- Q25Congenital malformations of great arteriesnon-billable header
- Q27Other congenital malformations of peripheral vascular systemnon-billable header
- Q28Other congenital malformations of circulatory systemnon-billable header
- Q26Congenital malformations of great veinsnon-billable header