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  1. hcup-us.ahrq.gov/reports/methods/2007_04.pdf
    January 01, 2007 - 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.
  2. hcup-us.ahrq.gov/datainnovations/2015HCUPStateDatabases04072017.pdf
    April 07, 2017 - Starting on October 1, 2015, the SID include ICD-10-CM diagnosis codes and ICD-10-PCS procedure codescodes.) … SID, SEDD, SASD Number of E codes NECODE I10_NECause SID, SEDD, SASD CCS for E codes E_CCSn … codes and ICD-9-CM procedures. … We did not have the ICD-10-CM equivalent codes for the utilization flags that use ICD-9-CM codes in
  3. hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixK_1LabCodingToolInstructions.pdf
    July 07, 2008 - What if multiple LOINC codes exist for the same lab test (variants)? … Rows are ordered sequentially to indicate a possible priority of codes when multiple codes describe … What if our hospital has lab tests not described by LOINC codes? … What if our hospital is already using LOINC codes? … Some possible combinations are not described by LOINC codes.
  4. 2015Hcup Nrd 110417 (pdf file)

    hcup-us.ahrq.gov/db/nation/nrd/2015HCUP_NRD_110417.pdf
    November 04, 2017 - Files, Q1–Q3 with ICD-9-CM Codes and Q4 with ICD-10-CM/PCS Codes ................................. … , Q1–Q3 with ICD-9-CM Codes and Q4 with ICD-10-CM/PCS Codes .. 6 HCUP (11/04/17) 1 2015 HCUP NRD … Files, Q1–Q3 with ICD-9-CM Codes and Q4 with ICD-10- CM/PCS Codes HCUP Data Element Descriptiona … ) 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
  5. hcup-us.ahrq.gov/db/vars/ecoden/nedsnote.jsp
    May 01, 2015 - (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 … Prior to 2003, ICD-9-CM E codes are included in the diagnosis array (DXn). … 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.
  6. hcup-us.ahrq.gov/tech_assist/toolstutorial/508/508course.jsp
    January 01, 2020 - procedure codes. … Key Difference 1: The number of codes. … codes. … codes. … Fiscal years are identified by the year the codes end.
  7. hcup-us.ahrq.gov/db/vars/cptn/nassnote.jsp
    August 01, 2019 - HCPCS codes are compared to a list of codes valid for the discharge date. … HCUP validates Level I (numeric) and Level II codes (A0000-V9999) but does not validate the Level III … codes (W0000-Z9999). … If the HCPCS procedure code is not on the list of valid codes, CPTn is set to invalid. … age edits for all other HCPCS codes beginning in 2015.
  8. hcup-us.ahrq.gov/toolssoftware/ccsr/dxccsr.jsp
    July 01, 2025 - Contents: Overview of CCSR for ICD-10-CM Diagnoses COVID-19-Related Diagnosis Codes User Guide … clinical categories that did not exist in previous versions of the CCS tool and allowing ICD-10-CM codes … Users may choose to assign different default CCSR categories for ICD-10-CM codes, based on their own … Return to Contents   COVID-19-Related Diagnosis Codes COVID-19-related diagnosis codes that … CCSR v2025.1 : Fiscal Year 2025, Released November 2024 - valid for ICD 10-CM diagnosis codes through
  9. hcup-us.ahrq.gov/db/vars/cptn/nedsnote.jsp
    May 01, 2015 - HCPCS codes are compared to a list of codes valid for the discharge date. … codes (W0000-Z9999). … (specifically J-codes) and the associated units. … codes (REVCDn). … ), revenue codes (REVCDn), and units (UNITn).
  10. hcup-us.ahrq.gov/reports/methods/ComorbiditySoftwareDocumentationFinal.pdf
    September 30, 2004 - This document describes the software that maps ICD-9-CM diagnosis codes into comorbidity indicators, … Diagnostic codes (ICD-9-CMs). The required elements and coding are detailed further below. … The library contains formats for the ICD-9-CM codes and DRG screens. … Pulmonary circulation disorders ICD-9-CM codes: 416.0-416.9, 417.9 Discharge does not have these … Peripheral vascular disorders ICD-9-CM codes: 440.0-440.9, 441.00-441.9, 442.0-442.9, 443.1-443.9,
  11. hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixK_1LabCodingToolInstructions.jsp
    October 01, 2010 - What if multiple LOINC codes exist for the same lab test (variants)? … Rows are ordered sequentially to indicate a possible priority of codes when multiple codes describe … What if our hospital has lab tests not described by LOINC codes? … What if our hospital is already using LOINC codes? … Some possible combinations are not described by LOINC codes.
  12. hcup-us.ahrq.gov/toolssoftware/chronic_icd10/chronic_icd10_archive.jsp
    October 01, 2020 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes … The beta versions of the CCI for ICD-10-CM include ICD-10-CM codes valid through September 2021 and will … not be updated for newer codes. … CCI Version 2021.1 (beta version): Fiscal Year 2021, Updated October 2020 (valid for ICD-10-CM codes … CCI Version 2019.1 (beta version): Fiscal Year 2019, Updated October 2018 (valid for ICD-10-CM codes
  13. hcup-us.ahrq.gov/db/vars/dxccsr_default_dx1/nisnote.jsp
    September 01, 2008 - These codes do not have a default categorization assigned. … Examples of codes included in this group are external causes of morbidity codes (i.e., codes beginning … with V00-Y99), underdosing codes (i.e., codes beginning with T36-T50 with fifth or sixth character " … 6"), and adverse effect codes (i.e., codes beginning with T36-T50 with fifth or sixth character "5"). … Examples of codes included in this group are external causes of morbidity codes, underdosing codes, and
  14. hcup-us.ahrq.gov/db/vars/dxccsr_default_dx1/nrdnote.jsp
    August 01, 2015 - These codes do not have a default categorization assigned. … Examples of codes included in this group are external causes of morbidity codes (i.e., codes beginning … with V00-Y99), underdosing codes (i.e., codes beginning with T36-T50 with fifth or sixth character " … 6"), and adverse effect codes (i.e., codes beginning with T36-T50 with fifth or sixth character "5"). … Examples of codes included in this group are external causes of morbidity codes, underdosing codes, and
  15. hcup-us.ahrq.gov/db/vars/dxccsr_default_dx1/kidnote.jsp
    September 01, 2008 - These codes do not have a default categorization assigned. … Examples of codes included in this group are external causes of morbidity codes (i.e., codes beginning … with V00-Y99), underdosing codes (i.e., codes beginning with T36-T50 with fifth or sixth character " … 6"), and adverse effect codes (i.e., codes beginning with T36-T50 with fifth or sixth character "5"). … Examples of codes included in this group are external causes of morbidity codes, underdosing codes, and
  16. hcup-us.ahrq.gov/db/vars/dxccsr_default_dx1/nedsnote.jsp
    May 01, 2015 - These codes do not have a default categorization assigned. … Examples of codes included in this group are external causes of morbidity codes (i.e., codes beginning … with V00-Y99), underdosing codes (i.e., codes beginning with T36-T50 with fifth or sixth character " … 6"), and adverse effect codes (i.e., codes beginning with T36-T50 with fifth or sixth character "5"). … Examples of codes included in this group are external causes of morbidity codes, underdosing codes, and
  17. hcup-us.ahrq.gov/db/state/2016HCUPStateDatabases09182019.pdf
    September 18, 2019 - .............1 Resources for Using Administrative Data with ICD-10-CM/PCS Diagnosis and Procedure Codes …  Beginning with data year 2017 State databases, the separate reporting of external cause codes … Instead, external cause codes have been added to the end of the ICD-10-CM diagnosis array (I10_DXn). … Detailed charge information can include charges, revenue codes, units, rate, CPT procedure codes and … External cause codes have been added to the end of the ICD-10-CM diagnosis array (I10_DXn).
  18. hcup-us.ahrq.gov/db/vars/supcptn/nassnote.jsp
    August 01, 2019 - HCPCS codes are compared to a list of codes valid for the discharge date. … HCUP validates Level I (numeric) and Level II codes (A0000-V9999) but does not validate the Level III … codes (W0000-Z9999). … If the HCPCS procedure code is not on the list of valid codes, CPTn is set to invalid. … age edits for all other HCPCS codes beginning in 2015.
  19. hcup-us.ahrq.gov/reports/methods/2004_6.pdf
    January 01, 2004 - E codes for injuries in the HCUP databases. … External cause of injury codes (E codes) are a supplement to the ICD-9-CM codes that classify data on … Reporting Completeness of E Codes Another step toward investigating the completeness of E codes in … When the number of diagnosis codes allowed on a discharge record is limited, E codes may not be included … • Do the policies specified for E codes include the submission of E codes for medical misadventures
  20. hcup-us.ahrq.gov/toolssoftware/comorbidity/comformat2012-2015.txt
    January 01, 2015 - Version 3.7 to include DRG 252 */ /* 10/26/11: Version 3.7 contains FY 2012 ICD-9-CM codes … */ /* 01/16/07: Version 3.2 */ /* new DRG codes … These codes are found in the renal */ /* failure and alcohol abuse formats. … These codes can be found in the "Other */ /* Neurological" format. … This format now handles DX */ /* codes that are not comorbidities differently: */ /

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