The proportion of patients with hypotension codes for other cohorts were 18.0% (n=46,544) for hypovolemic shock and 16.9% (n=32,024) for other/unspecified shock. Hypovolemic shock cases were the most likely to receive a hypotension code (18.02%, n=46,544), while septic shock cases had the lowest rate (11.48%, n=158,348). Results: A total of 2,200,275 shock patients were analyzed, 13.3% (n=292,192) of which received a hypotension code. A Cochran-Armitage test for trend was performed to evaluate the statistical significance.
Annual proportion and counts of cases with at least one hypotension ICD code for each shock cohort were generated to produce 7-year medical code utilization trends. Based on specific ICD codes corresponding to each shock type, patients were classified into four mutually exclusive cohorts: cardiogenic shock, hypovolemic shock, septic shock, and other/unspecified shock. Patients with a shock diagnosis code between 20 were identified using the International Classification of Diseases, Ninth and Tenth Revision, Clinical Modification (ICD-9-CM and ICD-10-CM). Patients and Methods: Retrospective analysis of the Medicare fee-for-service claims database. Purpose: To evaluate the utilization of hypotension diagnosis codes by shock type and year in known hypotensive patients. Charles Hunley, 1 Shannon ME Murphy, 2 Michael Bershad, 2 Halit O Yapici 3ġDepartment of Critical Care Medicine, Orlando Regional Medical Center, Orlando, FL, USA 2Edwards Lifesciences, Irvine, CA, USA 3Boston Strategic Partners, Inc., Boston, MA, USAĭepartment of Critical Care Medicine, Orlando Regional Medical Center, 86 West Underwood Street, Suite 102, Orlando, FL, 32806, USA
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