Condition Description. Truncus arteriosus is an uncommon congenital heart defect where a baby is born with a single blood vessel (called a truncus) coming from the main pumping chambers of the heart (the ventricles) instead of two vessels (one from each ventricle).ondition Description. Truncus arteriosus is an uncommon congenital heart defect where a baby is born with a single blood vessel (called a truncus) coming from the main pumping chambers of the heart (the ventricles) instead of two vessels (one from each ventricle).
IRS Office Customer Service Phone Number Phone Number: 1 (800) 829-1040. Shortcut: N/A - Edit
This IRS phone number is ranked #7 out of 10 because 881,844 IRS customers tried our tools and information and gave us feedback after they called. The reason customers call 800-829-0582 is to reach the IRS Customer Service department for problems like Refund Issue, Filing Issue, Tax Issue, Payment Issue, Transcripts Issue.