MS-DRG 313 is the primary diagnosis group for chest pain, precordial pain or observation for suspected cardiovascular disease, and it is one of the top 25 MS-DRGs by volume, according to data from CMS ...

CMS has determined that ICD-9-CM codes for 786.50 Chest pain, unspecified and 786.51 Precordial pain “flow from the existing narrative for conditions for which a [PT test] is reasonable and necessary, ...

During the past four years 13 patients with acute pericarditis have been studied at this hospital. Case reports concerning 7 of these patients illustrating the main features of this disorder were ...