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  1. hcup-us.ahrq.gov/db/vars/dxn/nisnote.jsp
    September 01, 2008 - Prior to 2003, external cause of injury codes (E codes) are included in the diagnosis array (DXn). … These ICD-9-CM codes replaced the earlier codes. … ICD-9-CM codes. … E-codes can appear in other secondary diagnosis codes. … to be valid codes.
  2. hcup-us.ahrq.gov/db/vars/dxn/kidnote.jsp
    September 01, 2008 - Prior to 2003, external cause of injury codes (E codes) are included in the diagnosis array (DXn). … The following ICD-9-CM codes were affected: From January 1988 to October 1, 1994, diagnosis codes … These ICD-9-CM codes replaced the earlier codes. … ICD-9-CM codes. … E-codes can appear in other secondary diagnosis codes.
  3. 2016-08 (pdf file)

    hcup-us.ahrq.gov/reports/methods/2016-08.pdf
    January 01, 2016 - • HCPCS/CPT codes are more granular, as evidenced by the number of codes. … codes and 6,000 HCPCS Level II codes. … the range of related codes … procedure codes only. … ICD-9-CM codes.
  4. hcup-us.ahrq.gov/datainnovations/ICD-10Vignette_NumberOfCodes04072017.pdf
    April 07, 2017 - Starting on October 1, 2015, the SID include ICD-10-CM diagnosis codes and ICD-10-PCS procedure codes … no SEDD include these codes.7 Figure 2. … of HCPCS/CPT procedure codes (5.04) Number of diagnosis codes (3.22) Percentage Change from Q4 2014 … these codes starting in 2015.8 Figure 3. … Number of HCPCS/CPT procedure codes (5.96) Number of diagnosis codes (4.56) Percentage Change from
  5. hcup-us.ahrq.gov/reports/methods/2013_02.pdf
    January 01, 2013 - Number of Inpatient Injury Discharges in the United States Reported with Nonspecific E Codes ...... … INTRODUCTION This study evaluates the reporting of external cause of injury codes (E codes) on … The following tables define the range of injury diagnoses and E codes. … ICD-9-CM Codes Used to Identify Injury Records ICD-9-CM Diagnosis Codes Description 800-909.2, … HCUP (06/13/2013) 8 Evaluation of E Codes APPENDIX 1.
  6. hcup-us.ahrq.gov/toolssoftware/comorbidityicd10/CMR-User-Guide-v2025-1.pdf
    November 01, 2024 - -10-CM codes valid from October 2015 through September 2025. … Mapping of ICD-10-CM Diagnosis Codes into More Than One Comorbidity Measure Individual diagnosis codes … Combination ICD-10-CM Codes Combination diagnosis codes include information on more than one condition … • Added diagnosis codes related to alcoholic hepatitis. … • Two codes included in heart failure and complicated hypertension • Two codes included in hypertension
  7. hcup-us.ahrq.gov/db/vars/_prn/kidnote.jsp
    September 01, 2008 - codes on most of their discharges, but some use CPT and HCPCS procedure codes. … This data source attempted to translate any CPT procedure codes into ICD-9-CM procedure codes. … The invalid ICD-9-CM procedure codes look suspiciously like truncated CPT codes. … codes. … procedure codes.  
  8. hcup-us.ahrq.gov/reports/methods/2014-01.pdf
    January 01, 2014 - Number of Inpatient Injury Discharges in the United States Reported with Nonspecific E Codes ...... … INTRODUCTION This study evaluates the reporting of external cause of injury codes (E codes) on … The following tables define the range of injury diagnoses and E codes. … ICD-9-CM Codes Used to Identify Injury Records ICD-9-CM Diagnosis Codes Description 800-909.2, … HCUP (02/17/2014) 8 Evaluation of E Codes APPENDIX 1.
  9. hcup-us.ahrq.gov/reports/methods/2006_4.pdf
    January 01, 2006 - UB-92 revenue codes identify services and accommodations using revenue codes that are accompanied by … Using a combination of the UB-92 revenue codes, ICD-9-CM procedure codes, and CCS procedure categories … Uniform Billing (UB-92) revenue codes identify services and accommodations using revenue codes that … and groups of codes. … and ICD-9- CM procedure codes: • Revenue codes for CT scans captured more than 650,000 records.
  10. hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn14.pdf
    November 04, 2014 - to local lab tests and codes. … What if multiple LOINC codes exist for variants of the same lab test? … Rows are ordered sequentially to indicate a possible priority of codes when multiple codes describe … What if our hospital is already using LOINC codes? … Some possible combinations are not described by LOINC codes.
  11. hcup-us.ahrq.gov/db/vars/_prn/nisnote.jsp
    September 01, 2008 - codes on most of their discharges, but some use CPT and HCPCS procedure codes. … This data source attempted to translate any CPT procedure codes into ICD-9-CM procedure codes. … The invalid ICD-9-CM procedure codes look suspiciously like truncated CPT codes. … codes. … procedure codes.  
  12. hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-ChangeLog-v20202-v20203.xlsx
    May 01, 2020 - that have modifications to the category description Changes to the mapping of ICD-10-CM diagnosis 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 principal diagnosis changed … List of ICD-10-CM diagnosis codes that were added to the CCSR tool New_CCSR_category List of new … Added_diagnosis_codes List of ICD-10-CM diagnosis codes that were added to the CCSR tool (v2020.3 vs
  13. hcup-us.ahrq.gov/reports/methods/2006_10.pdf
    January 01, 2006 - codes. … codes. … Thus, there tend to be more CPT codes than ICD-9-CM codes, especially if the CPT codes are derived … and ICD-9-CM codes, 2) only ICD-9-CM codes, and 3) only CPT codes. … However, there are fewer CPT codes than ICD-9-CM codes.
  14. hcup-us.ahrq.gov/db/nation/neds/2015HCUP_NEDS_121417.pdf
    December 14, 2017 - Names of Data Elements Based on Diagnosis Codes in the Supplemental ED Files, Q1–Q3 with ICD-9-CM Codes … Q1–Q3 with ICD-9-CM Codes and Q4 with ICD-10-CM/PCS Codes ......................................... … codes. … ) I10_ECAUSE1- I10_ECAUSE4 (External cause of morbidity codes) Number of E codes NECODE I10_ … Q1–Q3 with ICD-9-CM Codes and Q4 with ICD-10-CM/PCS Codes HCUP Data Element Descriptiona ICD-
  15. hcup-us.ahrq.gov/reports/methods/2008_08.pdf
    January 01, 2008 - codes. … codes, and some records contain both types of codes. … Thus, there tend to be more CPT codes than ICD-9-CM codes, especially if the CPT codes are derived … and ICD-9-CM codes, 2) only ICD-9-CM codes, and 3) only CPT codes. … However, there are fewer CPT codes than ICD- 9-CM codes.
  16. hcup-us.ahrq.gov/reports/methods/2015-03.pdf
    January 01, 2015 - INTRODUCTION This study evaluates the reporting of external cause of injury codes (E codes) … The following tables define the range of injury diagnoses and E codes. … ICD-9-CM Codes Used to Identify Injury Records ICD-9-CM Diagnosis Codes Description 800-909.2, … HCUP (03/02/2015) 3 Evaluation of E Codes E Codes Used to Identify Injury-Related Events First … HCUP (03/02/2015) 9 Evaluation of E Codes APPENDIX 1.
  17. hcup-us.ahrq.gov/db/vars/ecoden/kidnote.jsp
    September 01, 2008 - (E codes) are represented as 4- to 5-character alphanumeric codes with implicit decimals (i.e., decimals … From January 2003 through September 2015, any separately reported E codes and any ICD-9-CM E codes encountered … E codes are compared to a list of ICD-9-CM codes valid for the discharge date. … Invalid and inconsistent E codes are masked directly. … West Virginia West Virginia hospitals were not required to submit E-codes.
  18. hcup-us.ahrq.gov/reports/methods/2016-03.pdf
    January 01, 2016 - INTRODUCTION This study evaluates the reporting of external cause of injury codes (E codes) … The following tables define the range of injury diagnoses and E codes. … ICD-9-CM Codes Used to Identify Injury Records ICD-9-CM Diagnosis Codes Description 800-909.2, … HCUP (07/26/2016) 3 Evaluation of E Codes E Codes Used to Identify Injury-Related Events First … HCUP (07/26/2016) 10 Evaluation of E Codes APPENDIX 1.
  19. hcup-us.ahrq.gov/datainnovations/clinicalcontentenhancementtoolkit/mn14.jsp
    August 01, 2014 - to local lab tests and codes. … What if multiple LOINC codes exist for variants of the same lab test? … Rows are ordered sequentially to indicate a possible priority of codes when multiple codes describe the … What if our hospital is already using LOINC codes? … Some possible combinations are not described by LOINC codes.
  20. hcup-us.ahrq.gov/datainnovations/ICD-10CaseStudyonOpioid-RelatedIPStays042417.pdf
    April 24, 2017 - codes to 100 ICD-10-CM codes. … of examining specific codes for use in studies applies to both diagnosis and procedure codes (ICD- … increased from 20 ICD-9-CM codes to 100 ICD-10-CM codes. … for opioid dependence included six ICD-9-CM codes and 14 ICD-10- CM codes.3 Under ICD-10-CM there … -9-CM codes to 100 ICD-10-CM codes, only a fourth of the possible 100 opioid- related codes were observed

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