Q26.8
Other congenital malformations of great veins
Risk-adjusting (HCC)Billable code
HCC risk adjustment mapping
RxHCC V08
RXHCC191
Ventricular Septal Defect and Major Congenital Heart Disorders
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · Q26.8
Synonyms
Absence of vena cava (inferior) (superior) Azygos continuation of inferior vena cava Persistent left posterior cardinal vein Scimitar syndrome
Inherited from chapter 17Congenital malformations, deformations and chromosomal abnormalities
Excludes 2
inborn errors of metabolism (E70-E88)
Note
Codes from this chapter are not for use on maternal records
Official Guidelines for Q26.8
FY 2026 ›Sections that reference Q26.8
Sections whose FY 2026 text names Q26.8, its Q26 category, or a range containing it — the chapter guidance above is the authoritative source.
Find Q26.8 in the alphabetic index
19 index paths lead to this code
- Scimitar syndrome
- Absence › superior vena cava, congenital
- Absence › vena cava, congenital
- Agenesis › vena cava
- Anomaly, anomalous › venous return
- Atresia, atretic › vena cava
- Azygos › continuation inferior vena cava
- Hypoplasia, hypoplastic › vena cava
- Syndrome › scimitar
- Absence › vein congenital NEC › great
- Agenesis › vein › great NEC
- Atresia, atretic › vein NEC › great
- Hypoplasia, hypoplastic › vein › great
- Malposition › congenital › vena cava
- Persistence, persistent › left › posterior cardinal vein
- Persistence, persistent › sinus › venosus with imperfect incorporation in right auricle
- Anomaly, anomalous › vein › great › specified NEC
- Malformation › great › vein › specified type NEC
- Malposition › congenital › vein › great