- 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2d.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D31. … You may need to scroll your browser to the right to see all the data.)
  D32. … You may need to scroll your browser to the right to see all the data.)
  D33. … You may need to scroll your browser to the right to see all the data.)
  D34.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2f.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D51. … You may need to scroll your browser to the right to see all the data.)
  D52. … You may need to scroll your browser to the right to see all the data.)
  D53. … You may need to scroll your browser to the right to see all the data.)
  D54.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2e.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D41. … You may need to scroll your browser to the right to see all the data.)
  D42. … You may need to scroll your browser to the right to see all the data.)
  D43. … You may need to scroll your browser to the right to see all the data.)
  D44.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2h.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D71. … You may need to scroll your browser to the right to see all the data.)
  D72. … You may need to scroll your browser to the right to see all the data.)
  D73. … You may need to scroll your browser to the right to see all the data.)
  D74.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2g.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D61. … You may need to scroll your browser to the right to see all the data.)
  D62. … You may need to scroll your browser to the right to see all the data.)
  D63. … You may need to scroll your browser to the right to see all the data.)
  D64.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2b.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D11. … You may need to scroll your browser to the right to see all the data.)
  D12. … You may need to scroll your browser to the right to see all the data.)
  D13. … You may need to scroll your browser to the right to see all the data.)
  D14.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table2c.htm
February 11, 2011 - The top 100 
principal diagnoses and their associated principal procedures:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.)
  D21. … You may need to scroll your browser to the right to see all the data.)
  D22. … You may need to scroll your browser to the right to see all the data.)
  D23. … You may need to scroll your browser to the right to see all the data.)
  D24.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1j.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P91. … You may need to scroll your browser to the right to see all the data.) 
  P92. … You may need to scroll your browser to the right to see all the data.) 
  P93. … You may need to scroll your browser to the right to see all the data.) 
  P94.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1h.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P71. … You may need to scroll your browser to the right to see all the data.) 
  P72. … You may need to scroll your browser to the right to see all the data.) 
  P73. … You may need to scroll your browser to the right to see all the data.) 
  P74.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1i.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P81. … You may need to scroll your browser to the right to see all the data.) 
  P82. … You may need to scroll your browser to the right to see all the data.) 
  P83. … You may need to scroll your browser to the right to see all the data.) 
  P84.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1g.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P61. … You may need to scroll your browser to the right to see all the data.) 
  P62. … You may need to scroll your browser to the right to see all the data.) 
  P63. … You may need to scroll your browser to the right to see all the data.) 
  P64.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1d.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P31. … You may need to scroll your browser to the right to see all the data.) 
  P32. … You may need to scroll your browser to the right to see all the data.) 
  P33. … You may need to scroll your browser to the right to see all the data.) 
  P34.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1c.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P21. … You may need to scroll your browser to the right to see all the data.) 
  P22. … You may need to scroll your browser to the right to see all the data.) 
  P23. … You may need to scroll your browser to the right to see all the data.) 
  P24.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1b.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P11. … You may need to scroll your browser to the right to see all the data.) 
  P12. … You may need to scroll your browser to the right to see all the data.) 
  P13. … You may need to scroll your browser to the right to see all the data.) 
  P14.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1e.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P41. … You may need to scroll your browser to the right to see all the data.) 
  P42. … You may need to scroll your browser to the right to see all the data.) 
  P43. … You may need to scroll your browser to the right to see all the data.) 
  P44.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/natstats/commdx/table1f.htm
February 11, 2011 - The top 100 
principal procedures and their associated principal diagnoses:  HCUP 
Nationwide Inpatient … You may need to scroll your browser to the right to see all the data.) 
  P51. … You may need to scroll your browser to the right to see all the data.) 
  P52. … You may need to scroll your browser to the right to see all the data.) 
  P53. … You may need to scroll your browser to the right to see all the data.) 
  P54.
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/db/vars/cmr_aaa/nedsnote.jsp
May 01, 2015 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … identify pre-existing conditions (i.e., comorbidities) that are not directly related to the reason for the inpatient … For data prior to the fourth quarter of 2015, the comorbidity measures are stored in the data element
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/db/vars/cmr_aaa/nisnote.jsp
September 01, 2008 - Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … identify pre-existing conditions (i.e., comorbidities) that are not directly related to the reason for the inpatient … For data prior to the fourth quarter of 2015, the comorbidity measures are stored in the data element
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/reports/factsandfigures/2007/exhibit4_1.jsp
January 01, 2007 - Database Information 
 
 
 
 Research Tools 
 
 
 Request Data … Reports & Publications 
 
 
 Data Visualizations 
 
 
 Data Query Tools 
 
 
 Home 
 
 
 About … HCUP Supplemental Files 
 NIS-Trend Weights Files 
 NIS Hospital Ownership Files 
 NIS 1993-2002 Discharge-Level … Reports Archive 
 
 
 
 
 
 
 
 DATA VISUALIZATIONS 
 
 
 
 
 
 DATA QUERY TOOLS … Center for Delivery, Organization, and Markets, Healthcare Cost and Utilization Project, Nationwide Inpatient
                                     
                                                                    - 
                                        
hcup-us.ahrq.gov/db/state/sasddist/Introduction_to_SASD.pdf
September 01, 2025 - • Will not report any statistics where the number of observations (i.e., individual discharge 
records … Researchers and policymakers use the SASD to compare inpatient surgery data with ambulatory surgery … • The facility is not listed in the AHA Survey, but the facility provides inpatient discharge data … the 
2015 files have been separated into two sets of files based on the discharge date because of the … CM/PCS code sets.3 
 
The 2015 SASD are split into two separate sets of files based on the discharge