AHA Coding Clinic® for ICD-9 - 2004 Issue 4; VOLUME 3 NEW/REVISED PROCEDURE CODES

Infusion of Vasopressor Agent

Effective October 1, 2004, a new code has been created for the infusion of a vasopressor agent. Prior to this change, this procedure was assigned to code 99.29, Injection or infusion of other therapeutic or prophylactic substance. Code 99.29 does not adequately describe the use of a vasopressor drug or its clinical implications. Vasopressors are used in the treatment of shock, which is a state of inadequate tissue perfusion due to abnormally low systemic blood pressure. There are many causes of shock, such as hemorrhage, generalized infection, heart failure, poisoning, fluid loss from burns and severe hypoxemia...

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