See also: List of states and territories of the United States. This table includes abbreviations for three independent nations related to the United States through Compacts of Free Association, and other comparable postal abbreviations, including those now obsolete. Codes and abbreviations for U.S. states, territories and other regions.
Pulmonary embolism is the sudden blockage of a major blood vessel (artery) in the lung, usually by a blood clot . In most cases, the clots are small and are not deadly, but they can damage the lung. But if the clot is large and stops blood flow to the lung, it can be deadly.
Diagnosis Related Group (DRG) Descriptions. 1  Blood Clot in Lung (DRG 078): Often called a pulmonary embolism, this is a blockage in the lung usually due to a blood clot. 2  Lung Infections, complicated (DRG 079): Infections other than simple pneumonia including tuberculosis, pneumonitis, and certain rare pneumonias.