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  1. hcup-us.ahrq.gov/db/vars/e_ccsn/nisnote.jsp
    September 01, 2008 - All ICD-9-CM diagnosis codes including external cause of injury codes E codes are classified. … From January 2003 to September 2015 , any separately reported E codes and any E codes encountered in … the diagnosis array are placed in a separate array specific to E codes (ECODEn). … In the CCS, E codes are classified into 20 categories (values 2601-2621). … A format is also available to map CCS codes into a few broad classes of conditions based on ICD-9-CM
  2. hcup-us.ahrq.gov/db/vars/e_ccsn/nrdnote.jsp
    August 01, 2015 - All ICD-9-CM diagnosis codes including external cause of injury codes E codes are classified. … From January 2003 to September 2015 , any separately reported E codes and any E codes encountered in … the diagnosis array are placed in a separate array specific to E codes (ECODEn). … In the CCS, E codes are classified into 20 categories (values 2601-2621). … A format is also available to map CCS codes into a few broad classes of conditions based on ICD-9-CM
  3. hcup-us.ahrq.gov/db/vars/e_ccsn/kidnote.jsp
    September 01, 2008 - All ICD-9-CM diagnosis codes including external cause of injury codes E codes are classified. … From January 2003 to September 2015 , any separately reported E codes and any E codes encountered in … the diagnosis array are placed in a separate array specific to E codes (ECODEn). … In the CCS, E codes are classified into 20 categories (values 2601-2621). … A format is also available to map CCS codes into a few broad classes of conditions based on ICD-9-CM
  4. hcup-us.ahrq.gov/db/vars/e_ccsn/nedsnote.jsp
    May 01, 2015 - All ICD-9-CM diagnosis codes including external cause of injury codes E codes are classified. … From January 2003 to September 2015 , any separately reported E codes and any E codes encountered in … the diagnosis array are placed in a separate array specific to E codes (ECODEn). … In the CCS, E codes are classified into 20 categories (values 2601-2621). … A format is also available to map CCS codes into a few broad classes of conditions based on ICD-9-CM
  5. hcup-us.ahrq.gov/toolssoftware/ccs/ccs.jsp
    July 01, 2025 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes … The ICD-9-CM's multitude of codes - over 14,000 diagnosis codes and 3,900 procedure codes - are collapsed … Also, single-level category 260 does not contain any E Codes as of FY 2005. … Suicide E codes: Mechanism of Injury: Suicide E Codes (external cause of injury codes) are assigned … Note: There are no new diagnosis or procedure codes for FY 2015.
  6. hcup-us.ahrq.gov/reports/methods/2004_1.jsp
    January 01, 2004 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes … 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. … All other changes are pre-existing codes that have been added to the software.
  7. hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/SF-SvcProc-ChgLg-v20211-v20221.xlsx
    May 01, 2022 - 2022) Table of Contents Comparison of the surgery flag assignments by type of HCPCS Level I (CPT) codes … v2021.1 surgery flag assignments versus v2022.1 This tool includes Current Procedural Terminology (CPT®) codes … Our license agreement prohibits the listing of individual CPT codes with labels. … Compare_SurgeryFlag_Code_Counts Comparison of the Number of HCPCS Level I (CPT) Codes by Surgery Flag … code Not assigned a surgery flag value in v2021.1 565 New code in 2022 Laboratory analyses (U codes
  8. hcup-us.ahrq.gov/news/exhibit_booth/hcup_90_min_pres.jsp
    December 01, 2022 - The medical coder classifies the inpatient care into ICD-10-CM/PCS diagnosis and procedure codes … The billing department then uses the medical codes assigned by the coder to generate a … or procedure codes Consider which coding system is appropriate for your analysis to … , augmented with ICD-10-PCS procedure codes Versions available by FY for years 2017-2020 … Currently a beta version UB-04 Revenue Codes and ICD-10-PCS Procedure Codes → Utilization Flags
  9. hcup-us.ahrq.gov/db/nation/nis/SC-Ecode-NIS2000-ErrataSheet.pdf
    May 23, 2017 - Nationwide Inpatient Sample, 6,248 discharges from South Carolina are missing external cause of injury codes … (E Codes). … The separate E Code file includes information only for those South Carolina discharges missing E Codes … discharges from South Carolina in the 2000 NIS; only 6,248 South Carolina discharges are missing E Codes … The additional E Codes will replace blank diagnoses in position 11 (DX11) and position 12 (DX12).
  10. hcup-us.ahrq.gov/toolssoftware/comorbidity/comformat2008_v24.txt
    March 11, 2008 - /* 03/11/08: Version 3.3 contains the updated ICD-9-CM and */ /* DRG version 24 codes … For */ /* MS-DRG version 25 codes,use comformat2008_v25.txt.*/ /* 01/16/07: Version … . */ /* 10/25/05: Version 3.1 contains the updated ICD-9-CM codes */ /* for 2006 … These codes are found in the renal */ /* failure and alcohol abuse formats. … These codes can be found in the "Other */ /* Neurological" format.
  11. hcup-us.ahrq.gov/db/vars/i10_ecausen/nisnote.jsp
    September 10, 2008 - (E codes) are stored in the data element ECODEn. … In the HCUP databases, ICD-10-CM external cause of morbidity codes are represented by alphanumeric codes … The HCUP data elements for these codes are length 7. … The codes are left-justified in the HCUP databases. … External cause of morbidity codes are compared to a list of ICD-10-CM codes valid for the discharge date
  12. hcup-us.ahrq.gov/db/vars/i10_ecausen/kidnote.jsp
    September 10, 2008 - (E codes) are stored in the data element ECODEn. … In the HCUP databases, ICD-10-CM external cause of morbidity codes are represented by alphanumeric codes … The HCUP data elements for these codes are length 7. … The codes are left-justified in the HCUP databases. … External cause of morbidity codes are compared to a list of ICD-10-CM codes valid for the discharge date
  13. hcup-us.ahrq.gov/db/vars/i10_delivery/nisnote.jsp
    August 10, 2024 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes … Evidence of a delivery is based on the following screen: Any of the following ICD-10-CM diagnosis codes … D&C without CC/MCC The data element I10_DELIVERY excludes males and diagnosis and procedure codes … This includes: ICD-10-CM diagnosis codes of pregnancy with abortive outcome (O00, O01, O02, O03, … O04, O07, or O08) ICD-10-PCS procedure codes starting with 10A0 that indicate an abortion For data
  14. hcup-us.ahrq.gov/db/nation/neds/NEDSIntroduction2021.pdf
    March 01, 2024 - ICD-10-CM/PCS codes. … Urban Influence Codes. … ICD-9-CM and ICD-10-CM/PCS Diagnosis and Procedure Codes and CPT Procedure Codes • The HCUP-US website … ICD-9-CM and ICD- 10-CM/PCS codes change every October as new codes are introduced, and some codes are … codes are in effect during the period studied
  15. hcup-us.ahrq.gov/datainnovations/HCUP_RecomForReportingTrends_070517.pdf
    July 05, 2017 - counts, rates, averages) that are based on HCUP data with a mixture of ICD-9-CM and ICD-10-CM/PCS codes … recommendations apply to calendar year 2015 data (which includes both ICD-9-CM and ICD-10-CM/PCS codes … (Jan 1, 2015 to September 30, 2015) • Three months of data with ICD-10-CM/PCS codes (October 1, 2015 … Recommendation Yes—Analysis is based on diagnosis and procedure codes (i.e., uses ICD- … 9-CM and ICD-10-CM/PCS codes) The first step should be to analyze the data by discharge quarter
  16. hcup-us.ahrq.gov/tech_assist/faq.jsp
    October 01, 2024 - The NASS includes only CPT codes (Healthcare Common Procedure Coding System (HCPCS) Level I codes). … HCPCS Level II codes are excluded. … Does the NEDS contain ICD-9-CM/ICD-10-CM/PCS procedure codes or CPT codes? … The beta version of the CCS for ICD-10-CM/PCS codes will not be updated for newer codes (ICD-10-CM codescodes.
  17. hcup-us.ahrq.gov/toolssoftware/comorbidity/comformat2008_v25.txt
    October 20, 2015 - /* 01/20/08: Version 3.3 contains the updated ICD-9-CM and */ /* DRG version 25 codes … For */ /* DRG version 24 codes, use comformat2008_v24.txt. */ /* 01/16/07: Version … . */ /* 10/25/05: Version 3.1 contains the updated ICD-9-CM codes */ /* for 2006 … These codes are found in the renal */ /* failure and alcohol abuse formats. … These codes can be found in the "Other */ /* Neurological" format.
  18. hcup-us.ahrq.gov/reports/methods/2004CCSUserGuideFinal.pdf
    September 01, 2004 - New codes are added, existing codes are deleted, and definitions of current codes are changed. … 2602 E Codes: Drowning/submersion 2603 E Codes: Fall 2604 E Codes: Fire/burn 2605 … E Codes: Firearm 2606 E Codes: Machinery 2607 E Codes: Motor vehicle traffic (MVT) 2608 … E Codes: Pedal cyclist; not MVT 2609 E Codes: Pedestrian; not MVT 2610 E Codes: Transport; … and classifiable 2619 E Codes: Other specified; NEC 2620 E Codes: Unspecified 2621 E Codes
  19. hcup-us.ahrq.gov/toolssoftware/ccs/CCSUsersGuide.pdf
    March 01, 2016 - codes. … 2602 E Codes: Drowning/submersion 2603 E Codes: Fall 2604 E Codes: Fire/burn 2605 E Codes: Firearm … E Codes: Pedal cyclist; not MVT 2609 E Codes: Pedestrian; not MVT 2610 E Codes: Transport; not MVT … 2611 E Codes: Natural/environment 2612 E Codes: Overexertion 2613 E Codes: Poisoning 2614 E Codes … E Codes: Adverse effects of medical drugs 2618 E Codes: Other specified and classifiable 2619 E Codes
  20. hcup-us.ahrq.gov/news/exhibit_booth/HCUPOverviewDeck_121422.pdf
    February 09, 2022 - or procedure codes • Consider which coding system is appropriate for your analysis to identify the … , injury sequela codes Includes ICD-10-CM diagnosis codes valid as of October 2015 through the current … Need to identify services based on procedure and/or revenue center codes? … , augmented with ICD- 10-PCS procedure codes ► Versions available by fiscal year for 2017–2020 … ► Currently a beta version UB-04 Revenue Codes and ICD-10-PCS Procedure Codes Utilization Flags

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