Is Q26 a billable code?
No. Q26 is a header code that groups 9 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Q26: Congenital malformations of great veins
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Q26 groups related diagnoses under congenital malformations of great veins. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable 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
Q26 questions
What does Q26 mean?
Q26 is the ICD-10-CM code for Congenital malformations of great veins. It is in chapter 17, Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.