From Longman Dictionary of Contemporary English heck heck 1 / hek / interjection informal 1 ANNOY EMPHASIZE used to show that you are annoyed or to emphasize what you are saying Oh heck! Iâve lost my keys! âDo you believe him?â âHeck, no.â 2 â did he heck/will it heck etc
The  Principal Diagnosis  (PDX) for inpatient care is defined as that condition established after study to be chiefly responsible for occasioning the admission of the patient to the hospital for care.
Diagnosis (noun). the art or act of recognizing the presence of disease from its signs or symptoms, and deciding as to its character; also, the decision arrived at. Diagnosis (noun). scientific determination of any kind; the concise description of characterization of a species. Diagnosis (noun).