-
hcup-us.ahrq.gov/reports/statbriefs/sb187-Hospital-Stays-Children-2012.pdf
January 01, 2012 - ICD-9-CM is the International Classification of Diseases, Ninth Revision, Clinical Modification, which … There are approximately 14,000 ICD-9-CM diagnosis
codes and 4,000 ICD-9-CM procedure codes. … CCS categorizes ICD-9-CM diagnoses and procedures into a manageable number of clinically meaningful … , major operating room (OR) procedures were defined using procedure classes, which
categorize each ICD … This classification scheme relies on physician panels that classify ICD-9-CM procedure codes according
-
hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/TableofChanges2017_1.pdf
January 01, 2017 - Table 1
Table of Changes Made to Comorbidity Software for ICD-10-CM for
Version 2017.1
ICD- … 10-CM
Changes to the
Comorbidity
Software
ICD-10-CM
Diagnosis Code
ICD-10-CM Diagnosis … Eclampsia complicating the puerperium OHTNPREG
Table of Changes Made to Comorbidity Software for ICD … -10-CM for Version 2017.1
-
hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/hi25.jsp
September 01, 2014 - Limited Datasets
DATABASE INFORMATION
RESEARCH TOOLS
Tools for ICD … for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure Classes Refined for ICD … and Procedures
Tools for ICD-9-CM
Clinical Classifications Software (CCS) for ICD-9-CM
Chronic … Condition Indicator (CCI) for ICD-9-CM
Elixhauser Comorbidity Software for ICD-9-CM
Utilization … Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-
-
hcup-us.ahrq.gov/db/vars/pointoforiginub04/nisnote.jsp
October 04, 2025 - Limited Datasets
DATABASE INFORMATION
RESEARCH TOOLS
Tools for ICD … for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure Classes Refined for ICD … and Procedures
Tools for ICD-9-CM
Clinical Classifications Software (CCS) for ICD-9-CM
Chronic … Condition Indicator (CCI) for ICD-9-CM
Elixhauser Comorbidity Software for ICD-9-CM
Utilization … Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-
-
hcup-us.ahrq.gov/reports/statbriefs/sb295-COVID-19-RuralHosptl.pdf
December 01, 2020 - Definitions
Diagnoses and ICD-10-CM
The principal diagnosis is that condition established after study … ICD-10-CM is the International Classification of Diseases, Tenth Revision, Clinical Modification. … There
are over 70,000 ICD-10-CM diagnosis codes. … The ICD-10-CM code for COVID-19 was implemented
beginning April 1, 2020. … ICD-10-CM Official Guidelines for Coding and
Reporting, FY 2021 (October 1, 2020 - September 30, 2021
-
hcup-us.ahrq.gov/reports/statbriefs/sb294-COVID-19-UrbanHosptl.pdf
December 01, 2020 - Definitions
Diagnoses and ICD-10-CM
The principal diagnosis is that condition established after … ICD-10-CM is the International Classification of Diseases, Tenth Revision, Clinical Modification. … There
are over 70,000 ICD-10-CM diagnosis codes. … The ICD-10-CM code for COVID-19 was implemented
beginning April 1, 2020. … ICD-10-CM Official Guidelines for Coding and
Reporting, FY 2021 (October 1, 2020 - September 30, 2021
-
hcup-us.ahrq.gov/reports/statbriefs/sb143.pdf
March 01, 2012 - BioMed Central , 1–10.
2
National Institute of Dental and Craniofacial Research. (2000). … Private
18%
Uninsured
41%
Other
4%
Medicare
17%
Medicaid
27%
Private
26%
Uninsured
20%
Other
10% … There are about 14,000 ICD-9-CM diagnosis codes. … range: ICD-9-CM
520-523.9. … http://www.hcup-us.ahrq.gov/toolssoftware/ccs/ccs.jsp
10
– Medicaid: includes fee-for-service and
-
hcup-us.ahrq.gov/reports/statbriefs/sb22.pdf
January 01, 2007 - hospitalization for cervical cancer among women in the U.S. has been on the decline over the
past 10 … There are about 12,000 ICD-9-CM diagnosis codes. … CCS categorizes ICD-9-CM diagnoses into 260 clinically meaningful categories.4 This "clinical grouper … Inpatient Sample,
2004.
20.2
22.7
16.3
19.0
16.6
20.2
23.9
25.925.9 26.2 26.1
0
10 … Healthcare Cost and Utilization Project, Nationwide Inpatient Sample, 2004.
16.0 16.7
19.0
13.2
0
5
10
-
hcup-us.ahrq.gov/reports/statbriefs/sb218-Malnutrition-Readmissions-2013.pdf
January 01, 2013 - Joint
Commission Journal on Quality and Patient Safety. 2015;41(10):469–73.
7 Lean M, Wiseman M. … ICD-9-CM is the International Classification of Diseases, Ninth Revision, Clinical Modification, which … There are approximately 14,000 ICD-9-CM diagnosis codes. … MDCs assign ICD-9-CM principal diagnosis codes to one of 25 general diagnosis categories. … ICD-9-CM diagnosis codes for malnutrition
Code Description
Postsurgical nonabsorption
579.3 Other
-
hcup-us.ahrq.gov/reports/statbriefs/sb145.pdf
March 01, 2012 - Differences highlighted in the text are at least 10 percent between comparisons. … Top 10 principal diagnoses for readmissions following a CDI index stay, 2009
Principal diagnosis* … Fluid and electrolyte disorders -- 2.6 -- 2.4
Percentage of all readmissions
attributable to the top 10 … There are about 14,000 ICD-9-CM diagnosis codes. … (Accessed November 30, 2012).
10
About HCUP
HCUP is a family of powerful health
-
hcup-us.ahrq.gov/reports/statbriefs/sb81.pdf
April 01, 2010 - ■ Medicare had 67 percent of all
inpatient deaths, with a total cost of
over $10 billion, which … Medicare hospital costs for stays ending in death were over $10 billion, which accounted for 6.9 percent … There are about 13,600 ICD-9-CM diagnosis codes. … and Markets, Healthcare Cost and Utilization Project,
Nationwide Inpatient Sample, 2007
9
10 … Top 10 Principal Diagnoses and Procedures among Inpatient Deaths in 2007
Number of
Discharges
Mean
-
hcup-us.ahrq.gov/db/nation/nis/NIS_Introduction_2013.jsp
January 01, 2013 - for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure Classes Refined for ICD … and Procedures
Tools for ICD-9-CM
Clinical Classifications Software (CCS) for ICD-9-CM
Chronic … Condition Indicator (CCI) for ICD-9-CM
Elixhauser Comorbidity Software for ICD-9-CM
Utilization … Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD- … ICD–9–CM procedures
PR1 – PR15
Procedures, principal and secondary (ICD–9–CM)
NPR
Number
-
hcup-us.ahrq.gov/db/nation/nis/reports/2004niscomparisonrpt.jsp
May 01, 2016 - for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure Classes Refined for ICD … and Procedures
Tools for ICD-9-CM
Clinical Classifications Software (CCS) for ICD-9-CM
Chronic … Condition Indicator (CCI) for ICD-9-CM
Elixhauser Comorbidity Software for ICD-9-CM
Utilization … Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD- … Table 10.
-
hcup-us.ahrq.gov/reports/factsandfigures/2007/pdfs/section2_4.pdf
January 01, 2007 - Comorbidities
2%
2%
2%
2%
3%
3%
3%
3%
3%
4%
6%
6%
7%
7%
7%
11%
14%
14%
16%
35%
0 10 … Specific Comorbidity,* 2007
Percent Distribution
*Comorbidities are based on a classification of ICD
-
hcup-us.ahrq.gov/db/nation/nis/tools/stats/SummaryStats_NIS_2017_Quality_Report.PDF
January 01, 2017 - than 124 0.00 15
EAGE04 : Age in years > 0 and neonatal record 0.00 177
EAGE05 : Age in years < 10 … EPR : Any PR edit 0.04 3,080
EPR02 : Invalid procedure code on record 0.04 2,825
EPR03 : ICD
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2018_Core_MaskedStats_Weighted.PDF
January 01, 2018 - 1.34844
FEMALE Indicator of sex 35,805,949 2,001 0 1 0.55 0.00 0.55018 0.55540
I10_INJURY Injury ICD … -10-CM diagnosis reported on
record (1: First-listed injury; 2: Other than
first-listed injury; 0: No … Intent of injury: unintentional 35,807,950 0 0 1 0.16 0.00 0.15509 0.16470
I10_MULTINJURY Multiple ICD … -10-CM injuries reported on
record
35,807,950 0 0 1 0.05 0.00 0.05083 0.05369
I10_NDX ICD-10-CM Number … Weighted Frequency Distribution for AGE
AGE Frequency Percent
.: Missing 660 0.00
.A: Invalid <= 10
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2020_Core_MaskedStats_Weighted.PDF
January 01, 2020 - 1.30033
FEMALE Indicator of sex 28,034,732 2,302 0 1 0.54 0.00 0.53577 0.54106
I10_INJURY Injury ICD … -10-CM diagnosis reported on
record (1: First-listed injury; 2: Other than
first-listed injury; 0: No … Intent of injury: unintentional 28,037,034 0 0 1 0.16 0.00 0.15245 0.15991
I10_MULTINJURY Multiple ICD … -10-CM injuries reported on
record
28,037,034 0 0 1 0.05 0.00 0.05313 0.05549
I10_NDX ICD-10-CM Number … 4 776,341 0.63
5 732,646 0.59
6 662,584 0.54
7 1,233,862 1.00
8 579,184 0.47
9 565,065 0.46
10
-
hcup-us.ahrq.gov/db/vars/race/nedsnote.jsp
May 01, 2015 - -10-CM/PCS
Clinical Classifications Software Refined (CCSR)
Elixhauser Comorbidity Software Refined … for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure Classes Refined for ICD … and Procedures
Tools for ICD-9-CM
Clinical Classifications Software (CCS) for ICD-9-CM
Chronic … Condition Indicator (CCI) for ICD-9-CM
Elixhauser Comorbidity Software for ICD-9-CM
Utilization … Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-
-
hcup-us.ahrq.gov/db/nation/neds/stats/NEDS_2017_Core_MaskedStats.PDF
January 01, 2017 - : HCUP ED hospital identifier 33,506,645 0 10001.00 40649.00 27017.50 9792.08
I10_INJURY : Injury ICD … -10-CM diagnosis reported on record (1: First-listed
injury; 2: Other than first-listed injury; 0: No … injury) 33,506,645 0 0.00 2.00 0.22 0.46
I10_MULTINJURY : Multiple ICD-10-CM injuries reported on record … 33,506,645 0 0.00 1.00 0.06 0.23
I10_NDX : ICD-10-CM Number of diagnoses on this record 33,506,645 … : ICD-10-CM diagnoses 33,506,645 100.00
please refer to the section on Description of Data Elements
-
hcup-us.ahrq.gov/reports/projections/2015-02.pdf
January 01, 2015 - ....................................................................................................10 … identified by the International
Classification of Diseases, Ninth Revision, Clinical Modification (ICD … evaluation of surveillance for CDI in
2003 found high sensitivity (78%) and specificity (99.7%) when using ICD … ICD-9 codes and surveillance for Clostridium
difficile-associated disease. … difficile hospitalizations either stayed the same or decreased by 10 percent or less in all
divisions