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  1. hcup-us.ahrq.gov/toolssoftware/util_flags/utilflag.jsp
    July 01, 2025 - Summary Trend Tables Findings-At-A-Glance Publications Information About Using HCUP Data Methods … Detailed documentation is available under the HCUP Methods Series Report 2006-04 Development of Utilization … This Methods Series details the initial development of the utilization flags. … certain procedures, such as non-invasive, diagnostic services. … Coding System (HCPCS) procedure codes in outpatient data.
  2. hcup-us.ahrq.gov/reports/methods/2005-07.pdf
    January 01, 2005 - This was the method used to illustrate the asthma analysis in this report. … These three procedures are available in SAS versions 8 and higher. … • The SURVEYSELECT procedure provides a variety of methods for selecting probability-based random … The interface is similar to other SAS procedures. … The Taylor series linearization method (GEE for regression models) is used combined with variance estimation
  3. hcup-us.ahrq.gov/reports/methods/2004_06Addendum.pdf
    January 01, 2004 - HCUP Methods Series Report # 2004-06. ONLINE November 10, 2010. U.S. … UTILIZATION PROJECT (HCUP) E CODE EVALUATION ADDENDUM WITH UPDATED INFORMATION FOR 2006 AND 2008 HCUP Method … Please reference the complete report for additional details on methods. … second-hand tobacco smoke E870-E879 Misadventures during surgical and medical care & surgical and medical procedures … as the cause of abnormal reaction or later complication, without mention of misadventure at time of procedure
  4. hcup-us.ahrq.gov/db/state/sasddist/sasddist_filecompia.jsp
    March 01, 2007 - Classes Refined for ICD-10-PCS Tools for CPT and HCPCS Level II CCS for Services and Procedures … Surgery Flags for Services and Procedures Tools for ICD-9-CM Clinical Classifications Software ( … Summary Trend Tables Findings-At-A-Glance Publications Information About Using HCUP Data Methods … antigen detection by enzyme immunoassay technique, qualitative or semi-quantitative, multiple step method … agent antigen detection by enzyme immunoassay technique, qualitative or semiquantitative, multiple-step method
  5. hcup-us.ahrq.gov/reports/methods/2004_06_add_09.pdf
    January 01, 2004 - HCUP Methods Series Report # 2004-06. ONLINE November 1, 2011. U.S. … Available: http://www.hcup-us.ahrq.gov/reports/methods/methods.jsp. … UTILIZATION PROJECT (HCUP) E CODE EVALUATION ADDENDUM WITH UPDATED INFORMATION FOR 2009 HCUP Method … second-hand tobacco smoke E870-E879 Misadventures during surgical and medical care & surgical and medical procedures … Number of Diagnosis and Procedure Fields by State, 2007 Table 6.
  6. 2016-09Ug (pdf file)

    hcup-us.ahrq.gov/reports/methods/2016-09UG.pdf
    January 01, 2016 - data year 2014 (Methods Series Report #2016- XX). … For more information refer to the following sections of the Method Series report: • Overview of the … • To understand the range of programs that may serve the uninsured, see Appendix C in the Method … Use of Secondary Procedure Days in the AHRQ Quality Indicators, Version 3.1 Table 5. … Number of Diagnosis and Procedure Fields by State, 2007 Table 6.
  7. hcup-us.ahrq.gov/db/nation/nass/2018_NASS_Introduction.pdf
    January 01, 2018 - Number of Procedures by In-Scope Clinical Classifications Software (CCS) for Services and Procedure … (CCS-Services and Procedures) is HCUP software that provides a method for classifying CPT codes and … the compressed, encrypted data-related files using the same password and third-party zip utility method … The choice of an appropriate method for calculating variances for nationwide estimates depends on the … https://www.hcup-us.ahrq.gov/reports/methods/2003_02.pdf https://www.hcup-us.ahrq.gov/reports/methods
  8. hcup-us.ahrq.gov/reports/methods/2014-03UserGuide.pdf
    January 01, 2014 - HCUP Methods Series Report # 2014-03 ONLINE. December 17, 2014. U.S. … For more information refer to the following sections of the Method Series report:  Overview of the …  To understand the range of programs that may serve the uninsured, see Appendix C in the Method … Use of Secondary Procedure Days in the AHRQ Quality Indicators, Version 3.1 Table 5. … Number of Diagnosis and Procedure Fields by State, 2007 Table 6.
  9. hcup-us.ahrq.gov/db/nation/nrd/nrdchecklist.jsp
    November 01, 2024 - Classes Refined for ICD-10-PCS Tools for CPT and HCPCS Level II CCS for Services and Procedures … Surgery Flags for Services and Procedures Tools for ICD-9-CM Clinical Classifications Software ( … Administrative codes for the conditions or procedures of interest (ICD-9-CM and ICD-10-CM/PCS,) should … Review the HCUP Method Series Report on Calculating Nationwide Readmissions Database (NRD) Variances … For information on estimating incidence and prevalence, review the HCUP Methods Series Report # 2016-
  10. 2017-05 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2017-05.pdf
    January 01, 2017 - year 2014 (Methods Series Report #2016-09), and data year 2015 (Methods Series Report #2017-05). … For more information refer to the following sections of the Method Series report: • Overview of the … • To understand the range of programs that may serve the uninsured, see Appendix C in the Method … Use of Secondary Procedure Days in the AHRQ Quality Indicators, Version 3.1 Table 5. … Number of Diagnosis and Procedure Fields by State, 2007 Table 6.
  11. hcup-us.ahrq.gov/db/ccr/ed-ccr/ed-ccr.jsp
    June 01, 2025 - Classes Refined for ICD-10-PCS Tools for CPT and HCPCS Level II CCS for Services and Procedures … Surgery Flags for Services and Procedures Tools for ICD-9-CM Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes and ICD-9-CM Procedure … Summary Trend Tables Findings-At-A-Glance Publications Information About Using HCUP Data Methods … summary of State participation The methodologies document contains: An overview of the CCR method
  12. 2015-08 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2015-08.pdf
    January 01, 2015 - HCUP Methods Series Report #2015-08 ONLINE. October 13, 2015. U.S. … For more information refer to the following sections of the Method Series report:  Overview of the …  To understand the range of programs that may serve the uninsured, see Appendix C in the Method … Use of Secondary Procedure Days in the AHRQ Quality Indicators, Version 3.1 Table 5. … Number of Diagnosis and Procedure Fields by State, 2007 Table 6.
  13. hcup-us.ahrq.gov/db/nation/nis/NISIntroduction2022.pdf
    November 01, 2024 - Because very few cases have more than 40 diagnoses or more than 25 procedures, the diagnosis and procedure … • These variance calculations are based on finite-sample theory, which is an appropriate methodprocedures coded on the record PRDAY1 Number of days from admission to principal procedure PRDAY2 … Procedure Classes Refined PCLASSne Procedure Classes Refined for ICD-10-PCS procedures PCLASS_VERSION … Version of the Procedure Classes Refined for ICD- 10-PCS procedures Linkage Data Elements HOSP_NIS
  14. hcup-us.ahrq.gov/toolssoftware/ccs/ccs.jsp
    July 01, 2025 - Summary Trend Tables Findings-At-A-Glance Publications Information About Using HCUP Data Methods … Appendix B: Single-Level Procedures (txt file, 37 KB). … Appendix D: Multi-Level Procedures (txt file, 111 KB). … A Method for Assessing the Risk of Influenza Attributable Rehospitalization . … adjustment of managed care claims data using the clinical classifications for health policy research method
  15. hcup-us.ahrq.gov/db/nation/nis/2015HCUPNationalInpatientSample.pdf
    September 28, 2022 - http://www.hcup-us.ahrq.gov/reports/methods/methods.jsp http://www.hcup-us.ahrq.gov/reports/methods/methods.jsp … Only Procedure vector PR1-PR15 I10_PR1-I10_PR15 Procedure Version PRVER PRVER Number of procedures … NPR I10_NPR Day of procedure PRDAY1-PRDAY15 PRDAY1-PRDAY15 CCS for procedures PRCCS1-PRCCS15 Not availableb … documents available on the Web page: • A brief introduction to the ICD-10-CM/PCS coding system • HCUP Methods … /2016-02.pdf https://www.hcup-us.ahrq.gov/reports/methods/2016-02.pdf https://www.hcup-us.ahrq.gov/datainnovations
  16. hcup-us.ahrq.gov/news/archives.jsp
    January 01, 2022 - Elixhauser Comorbidity Software Refined for ICD-10-CM Chronic Condition Indicator Refined for ICD-10-CM Procedure … Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes and ICD-9-CM Procedure … Participants learned how to categorize diagnosis and procedure codes into clinically meaningful categories … , as well as identify comorbidities, chronic conditions, and operating room procedures. … Classifications Software Refined (CCSR) for ICD-10-CM diagnoses (v2021.2; valid through FY 2021) Procedure
  17. hcup-us.ahrq.gov/reports/statbriefs/sb149.pdf
    March 01, 2012 - for hospital stays, 1997 and 2010 All-listed CCS procedures Number of stays with the procedure … most rapid growth, 1997 and 2010 All-listed CCS procedures Number of stays with the procedure … HCUP Methods Series Report #2003-2. Online. June 2005 (revised June 6, 2005). U.S. … HCUP Methods Series Report #2006–05. Online. August 18, 2006. U.S. … Available at http://www.hcup-us.ahrq.gov/reports/methods/2006_05_NISTrendsReport_1988-2004.pdf.
  18. hcup-us.ahrq.gov/datainnovations/raceethnicitytoolkit/nm9.pdf
    June 16, 2014 - standards • Collect tribal identifier data • Evaluate race and ethnicity data quality • Share methods … , tools and procedures with other states Project Approach • Legislative and policy change • Hospital … hospitals (n=52) required to report quarterly: utilization, reasons for hospitalization, surgical procedures … code and reporting frequency changes on: – Timeliness – Quality – Completeness Methods … data quality for all fields • Changed regulations to align with 1997 OMB • Developing systematic method
  19. hcup-us.ahrq.gov/db/nation/nass/2019_NASS_Introduction.pdf
    January 01, 2019 - (CCS-Services and Procedures) is HCUP software that provides a method for classifying CPT codes and … the compressed, encrypted data-related files using the same password and third-party zip utility method … Encounter Predictive Model Creation of the major ambulatory surgery encounter universe requires a method … The choice of an appropriate method for calculating variances for nationwide estimates depends on the … https://www.hcup-us.ahrq.gov/reports/methods/2003_02.pdf https://www.hcup-us.ahrq.gov/reports/methods
  20. hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixFMHAAHQRKick-Off.jsp
    July 01, 2016 - Classes Refined for ICD-10-PCS Tools for CPT and HCPCS Level II CCS for Services and Procedures … Surgery Flags for Services and Procedures Tools for ICD-9-CM Clinical Classifications Software ( … Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes and ICD-9-CM Procedure … Summary Trend Tables Findings-At-A-Glance Publications Information About Using HCUP Data Methods … Zip Phone Email Please note any questions you would like the speakers to address: Payment Method

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