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.
Information for Medical Professionals. According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established. The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set.