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hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-ChangeLog-v20212-v20221.xlsx
October 01, 2021 - between the following releases of the Clinical Classifications Software Refined (CCSR) for ICD-10-CM diagnoses … codes to CCSR category
List of ICD-10-CM diagnosis codes that are mapped into a different CCSR category … List of ICD-10-CM diagnosis codes for which the default CCSR category for the inpatient principal diagnosis … diagnosis changed
List of ICD-10-CM diagnosis codes that were added to the CCSR tool
New_CCSR_category … SYM017 Abnormal findings without diagnosis SYM017 Abnormal findings without diagnosis
S06A0XA
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hcup-us.ahrq.gov/reports/race/R_E_Disparities_rpt.jsp
July 01, 2016 - Maryland calculates the cost of excess hospital admissions for all diagnoses incurred by the African … million to Medicaid and $481 million to all payers), and breaks down the cost further to several specific diagnoses … These excess costs are associated with hospitalization related to the diagnoses seen in Figure 3. 40
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hcup-us.ahrq.gov/reports/statbriefs/sb194-Inpatient-Mortality-High-Volume-Conditions.jsp
July 01, 2015 - Trends in Hospital Risk-Adjusted Mortality for Select Diagnoses by Patient Subgroups, 2000-2007.
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hcup-us.ahrq.gov/reports/trendtables/HCUP-SummaryTrendTables-G2d.pdf
December 18, 2020 - SID contain
more than 100 clinical and nonclinical variables, such as:
• Principal and secondary diagnoses
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1995_SummaryStats.PDF
January 01, 1995 - 0 0.00 25.00 9.82 5.68
MDC10 : I:MDC, Version 10 6714935 0 0.00 25.00 9.82 5.68
NDX : I:Number of diagnoses … Continuous Data Elements
Variable / Label N N Miss Minimum Maximum Mean Std Dev
DSNDX : I:Max number of diagnoses … flag: diagnosis 5 2828176 3886759 0.00 1.00 0.00 0.01
DXV6 : I:Validity flag: diagnosis 6 2091923 4623012 … I:Validity flag: diagnosis 8 1127495 5587440 0.00 1.00 0.00 0.01
DXV9 : I:Validity flag: diagnosis … flag: diagnosis 12 93027 6621908 0.00 1.00 0.00 0.01
DXV13 : I:Validity flag: diagnosis 13 62943 6651992
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1993_SummaryStats.PDF
January 01, 1993 - 0 0.00 25.00 9.80 5.61
MDC10 : I:MDC, Version 10 6538976 0 0.00 25.00 9.81 5.61
NDX : I:Number of diagnoses … DXV2 : I:Validity flag: diagnosis 2 5491453 1047523 0.00 1.00 0.00 0.05
DXV3 : I:Validity flag: diagnosis … flag: diagnosis 6 1267864 5271112 0.00 1.00 0.00 0.02
DXV7 : I:Validity flag: diagnosis 7 903101 5635875 … I:Validity flag: diagnosis 9 458537 6080439 0.00 1.00 0.00 0.02
DXV10 : I:Validity flag: diagnosis 10 … : diagnosis 13 26103 6512873 0.00 1.00 0.00 0.01
DXV14 : I:Validity flag: diagnosis 14 18458 6520518
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1997_SummaryStats.PDF
January 01, 1997 - I:DRG grouper version used on disch date 7148420 0 14.00 15.00 14.25 0.43
DSNDX : I:Max number of diagnoses … : diagnosis 4 4174356 2974064 0.00 1.00 0.00 0.02
DXV5 : I:Validity flag: diagnosis 5 3299614 3848806 … I:Validity flag: diagnosis 7 1896556 5251864 0.00 1.00 0.00 0.03
DXV8 : I:Validity flag: diagnosis … flag: diagnosis 11 176558 6971862 0.00 1.00 0.00 0.00
DXV12 : I:Validity flag: diagnosis 12 125370 … 0 0.00 25.00 9.71 5.64
MDC10 : I:MDC, Version 10 7148420 0 0.00 25.00 9.70 5.64
NDX : I:Number of diagnoses
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1996_SummaryStats.PDF
January 01, 1996 - I:DRG grouper version used on disch date 6542069 0 13.00 14.00 13.25 0.43
DSNDX : I:Max number of diagnoses … : diagnosis 4 3715215 2826854 0.00 1.00 0.00 0.01
DXV5 : I:Validity flag: diagnosis 5 2908531 3633538 … I:Validity flag: diagnosis 7 1640787 4901282 0.00 1.00 0.00 0.01
DXV8 : I:Validity flag: diagnosis … : diagnosis 11 148475 6393594 0.00 1.00 0.00 0.00
DXV12 : I:Validity flag: diagnosis 12 105013 6437056 … : I:Validity flag: diagnosis 14 53291 6488778 0.00 0.00 0.00 0.00
DXV15 : I:Validity flag: diagnosis
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hcup-us.ahrq.gov/db/nation/nis/tools/stats/NIS_1994_SummaryStats.PDF
January 01, 1994 - 0 0.00 25.00 9.86 5.64
MDC10 : I:MDC, Version 10 6385011 0 0.00 25.00 9.86 5.64
NDX : I:Number of diagnoses … Continuous Data Elements
Variable / Label N N Miss Minimum Maximum Mean Std Dev
DSNDX : I:Max number of diagnoses … flag: diagnosis 5 2573716 3811295 0.00 1.00 0.00 0.03
DXV6 : I:Validity flag: diagnosis 6 1657701 4727310 … I:Validity flag: diagnosis 8 886232 5498779 0.00 1.00 0.00 0.03
DXV9 : I:Validity flag: diagnosis 9 … : diagnosis 12 72800 6312211 0.00 1.00 0.00 0.01
DXV13 : I:Validity flag: diagnosis 13 49389 6335622
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hcup-us.ahrq.gov/db/nation/neds/2011NEDSErrataNotification022415.pdf
February 01, 2015 - comparing Version 2 of the
NEDS with the original NEDS for different outcomes of interest by principal diagnosis … Total U.S. -- 131,048,605 126,230,691 135,866,519 131,048,605 126,142,993 135,954,217
Principal Diagnosis … Upper CI Estimate Lower CI Upper CI
Total U.S. -- 15.0% 14.5% 15.5% 14.7% 14.3% 15.2%
Principal Diagnosis … Upper CI Estimate Lower CI Upper CI
Total U.S. -- 0.15% 0.14% 0.16% 0.17% 0.16% 0.18%
Principal Diagnosis … Upper CI Estimate Lower CI Upper CI
Total U.S. -- 0.38% 0.37% 0.40% 0.38% 0.36% 0.39%
Principal Diagnosis
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hcup-us.ahrq.gov/datainnovations/CaseStudy_QDRanalysis04072017.pdf
April 07, 2017 - The data
and QI programs were based on ICD-9-CM diagnoses and procedures. … Cost and Utilization Project
(HCUP) State Inpatient Databases (SID).3
The QI software relies on ICD diagnosis … population, age 18 years and over
PSI software
PSI 02 Deaths per 1,000 admissions in low-mortality diagnosis-related
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hcup-us.ahrq.gov/reports/methods/2006_4.pdf
January 01, 2006 - on frequency of coding, input from clinical and coding
experts, and the distribution of principal diagnosis … flag: the number of cases, the distribution of total charges, and lists
of frequently coded principal diagnosis … flag: the number of cases, the distribution of total charges, and lists
of frequently coded principal diagnosis … flag: the number of cases, the distribution of total charges, and lists
of frequently coded principal diagnosis … massage, and the utilization of light, heat, cold,
water, electricity, and assistive devices for the diagnosis
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hcup-us.ahrq.gov/moa.pdf
March 28, 2022 - discharge data required for
participation (e.g., hospital identification numbers, total charges, diagnoses
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hcup-us.ahrq.gov/toolssoftware/ccs/AppendixDMultiPR.txt
September 01, 2015 - Procedure Categories (January 1980 through September 2015)
Revised 09/12/13
Multi-level CCS Category and Diagnoses … 9469
16.31 Ophthalmologic and otologic diagnosis
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hcup-us.ahrq.gov/reports/methods/2015-09.pdf
January 01, 2015 - analysis is for a subpopulation of the 2012 NIS defined by a Clinical
Classifications Software (CCS) diagnosis … CCS is a tool developed by AHRQ for clustering patient diagnoses and
procedures into a manageable number … Principal diagnosis only. … Principal diagnosis only.
† One stratum was omitted because it contains no subpopulation members. … Number of Diagnosis and Procedure Fields by State, 2007
Table 6.
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hcup-us.ahrq.gov/reports/race/NASHPDisparitiesReport.pdf
January 01, 2020 - Maryland calculates the cost
of excess hospital admissions for all diagnoses incurred by the African … to Medicaid and $481 million to all payers), and breaks down the
cost further to several specific diagnoses … These excess costs
are associated with hospitalization related to the diagnoses seen in Figure 3.40
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hcup-us.ahrq.gov/reports/methods/2015_09.jsp
January 01, 2015 - random sample of discharges from all hospitals in the sampling frame, after sorting discharges by diagnosis-related … analysis is for a subpopulation of the 2012 NIS defined by a Clinical Classifications Software (CCS) diagnosis … CCS is a tool developed by AHRQ for clustering patient diagnoses and procedures into a manageable number … Principal diagnosis only. … Principal diagnosis only.
† One stratum was omitted because it contains no subpopulation members.
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hcup-us.ahrq.gov/reports/methods/2006_2.pdf
January 01, 2006 - The NEOMAT data element identifies discharges with
neonatal and/or maternal diagnoses and procedures
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hcup-us.ahrq.gov/reports/methods/2008_04.pdf
January 01, 2008 - previous methodologies to develop cost estimates and “adjustment factors” for
each All Patient Refined Diagnosis … between 0.80 (302: Knee joint replacement)
and 1.41 (755: Adjustment disorder excluding depressive diagnosis … previous methodologies to develop cost estimates and
“adjustment factors” by the All Patient Refined Diagnosis … Past tests with adjustment
factors for Diagnosis Related Groups (DRGs) in 2003 showed generalizability … 1.61
565: False labor 1.16 1.40 1.18 0.97 1.20 1.02 1.30
566: Other antepartum diagnoses
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hcup-us.ahrq.gov/reports/projections/2012-03.pdf
January 01, 2012 - CCS categorizes ICD-9-CM diagnoses and procedures into a
manageable number of clinically meaningful … categories.5 This "clinical grouper" makes it easier
to quickly understand patterns of diagnoses and … with a principal or secondary procedure in
CCS 153 Hip replacement; total and partial and a principal diagnosis … 18 and older) with a principal or secondary procedure in
CCS 152 Arthroplasty knee and a principal diagnosis … age 18 and older) with a principal or secondary procedure in
CCS 158 Spinal fusion and a principal diagnosis