Q26.9
BillableCongenital malformation of great vein, unspecified
Congenital malformation of great vein, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Congenital anomaly of vena cava (inferior) (superior) NOS
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(8)
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
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(51)
SNOMED CT
- Congenital anomaly of vena cava2213002
- Congenital anomaly of superior vena cava70195006
- SCV - Superior caval vein abnormality70195006
- SVC - Superior vena cava abnormality70195006
- Superior caval vein abnormality70195006
- Superior vena cava abnormality70195006
- Congenital anomaly of inferior vena cava81577001
- ICV - Inferior caval vein abnormality81577001
- IVC - Inferior vena cava abnormality81577001
- Inferior caval vein abnormality81577001
- Inferior vena cava abnormality81577001
- Congenital anomaly of pulmonary veins111322000
- PV - Pulmonary vein abnormality111322000
- Pulmonary vein abnormality111322000
- Anomalies of great veins204451006
- Congenital abnormality of great veins and coronary sinus234132006
- Abnormality of right superior vena cava253306009
- Congenital abnormality of middle cardiac vein447825006
- Congenital abnormality of cardiac vein447938004
- Congenital abnormality of great cardiac vein449442001
UMLS
- Anomalies of great veinsC0158632
- Anomalies of great veins (disorder)C0158632
- Anomaly of great veins, congenital, unspecifiedC0158632
- Congenital great vein anomaly NOSC0158632
- Congenital malformation of great vein, unspecifiedC0158632
- Congenital malformations of great veinsC0158632
- Congenital anomaly of vena cava (inferior) (superior) NOSC2910142
Clinical Terms
- Congenital abnormality of cardiac vein
- Congenital anomaly of superior vena cava
- Anomalies of great veins (disorder)
- Congenital anomaly of pulmonary veins
- Congenital abnormality of middle cardiac vein
- Anomalies of great veins
- Congenital great vein anomaly NOS
- Inferior vena cava abnormality
- Inferior caval vein abnormality
- Anomaly of great veins, congenital, unspecified
- SVC - Superior vena cava abnormality
- Congenital abnormality of great cardiac vein
- Superior vena cava abnormality
- PV - Pulmonary vein abnormality
- Superior caval vein abnormality
- Congenital anomaly of vena cava
- SCV - Superior caval vein abnormality
- Congenital anomaly of inferior vena cava
- Congenital anomaly of vena cava (inferior) (superior) NOS
- Pulmonary vein abnormality
- ICV - Inferior caval vein abnormality
- Abnormality of right superior vena cava
- IVC - Inferior vena cava abnormality
- Congenital abnormality of great veins and coronary sinus
Frequently Asked Questions
What is the ICD-10 code for congenital malformation of great vein, unspecified?
The ICD-10-CM code for congenital malformation of great vein, unspecified is Q26.9. The full clinical description is "Congenital malformation of great vein, unspecified". Q26.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q26.9 mean?
ICD-10-CM code Q26.9 represents “Congenital malformation of great vein, unspecified”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q26.9 a billable code?
Yes, Q26.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q26.9 in?
Q26.9 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What SNOMED CT codes does Q26.9 map to?
Q26.9 maps to 10 SNOMED CT concepts: 253306009, 204451006, 447938004, 449442001, 234132006, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q26.9?
Q26.9 is linked to 2 UMLS Concept Unique Identifiers: C0158632, C2910142. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q26.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like congenital malformation of great vein, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q26.9?
Q26.9 maps to the ICD-11 code: LA86.Z (Congenital anomaly of mediastinal vein, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.