Managed care plans are heavily regulated by both federal and state governments.

External cause codes are used as secondary codes to indicate how and where all of the following medical conditions occurred except:

A) injuries. B) poisonings and adverse reactions. C) accidents. D) diseases.

Which is a factor that influences the choice of incisions for thoracic surgery?

a. Patient age b. Surgeon preference c. Intrapleural pressure d. Hemodynamic quality