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41. User Guide (v2025.1) for Procedure Classes Refined for ICD-10-PCS (pdf file)
    hcup-us.ahrq.gov/toolssoftware/procedureicd10/PClassR-User-Guide-v2025-1.pdf
    November 01, 2024 - codes valid from October 2015 through September 2025 … ICD-10- PCS consists of more than 80,000 procedure codes. … For example, the following codes are always diagnostic: • Medical/surgical codes (with a first character … o Two-thirds of the codes are designated as major therapeutic. … ICD-10-PCS procedure codes are represented by 7 alphanumeric codes.

42. Tools Archive for Clinical Classifications Software Refined
    hcup-us.ahrq.gov/toolssoftware/ccsr/ccsr_archive.jsp
    November 01, 2024 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes … 1.3 MB) CCSR v2021.2 : Fiscal Year 2021, Released March 2021 - valid for ICD 10-CM diagnosis codes … for newer codes. … CCS v2019.1 (beta version) : Fiscal Year 2019, Updated October 2018 - valid for ICD-10-CM codes through … for newer codes.

43. Follow-up Visits for Children Who Are Obese or Overweight with a Weight-Related Comorbidity: Tables 7-10 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-0242-tables7-10.pdf
    June 02, 2025 - Mean (Standard Deviation) Proportion in Racial Groups within ZIP Codes of Residence American Indian … Median Household Income within ZIP Codes of Residence Description Mean SD Min 25th … Mean (Standard Deviation) Proportion in Racial Groups within ZIP Codes of Residence Table 8. … Median Household Income within ZIP Codes of Residence Table 10. … Proportion of ZIP Codes Categorized as Urban

44. Hypertension Screening for Children Who Are Overweight or Obese: Tables 6-9 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-0232-tables6-9.pdf
    June 02, 2025 - Mean (Standard Deviation) Proportion in Racial Groups within ZIP Codes of Residence American Indian … Proportion of ZIP Codes Categorized as Urban Description Mean SD Min 25th Percentile Median 75th … Mean (Standard Deviation) Proportion in Racial Groups within ZIP Codes of Residence Table 7. … Median Household Income within ZIP Codes of Residence Table 9. … Proportion of ZIP Codes Categorized as Urban

45. DXCCSR-vs-Beta-CCS-Comparison (pdf file)
    hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-vs-Beta-CCS-Comparison.pdf
    January 01, 2020 - codes: sequela 2608 External cause codes: Pedal cyclist; not MVT 4 EXT008 – External cause codes … codes: sequela 2613 External cause codes: Poisoning 5 EXT015 – External cause codes: poisoning by … codes: SE EXT030 – External cause codes: sequela 2619 External cause codes: Other specified; NEC … codes: SE EXT030 – External cause codes: sequela 2620 External cause codes: Unspecified 8 EXT026 … – External cause codes: activity codes 2621 External cause codes: Place of occurrence 1 EXT027 –

46. DXCCSR-ChangeLog-v20191-v20201 (xls file)
    hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-ChangeLog-v20191-v20201.xlsx
    October 01, 2019 - that have modifications to the category description Changes to the mapping of ICD-10-CM diagnosis codes … to CCSR vategory 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 (v2020.1 vs

47. Sampling, Weighting, and Synthetization Methodologies (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/data/SyH-DR-Sampling-Weighting-Synthetization-Methodologies.pdf
    December 01, 2023 - SyH-DR reports up to 25 diagnosis codes for each claim, although the number of diagnosis codes varies … ICD-9 codes. … procedure codes in SyH-DR, where the synthetic codes belonged to the same procedure category as the … These codes could not be mapped because they were not valid CPT procedure codes (e.g., they did not … • Provider category codes were aggregated into broader categories. • Provider ownership codes were

48. MS2020-03 (pdf file)
    hcup-us.ahrq.gov/reports/methods/2020-03.pdf
    January 01, 2020 - HCUP DATABASES AND AMBIGUOUS SOURCE PAYER CODES Overview of HCUP Uniform Expected Payer Codes The … (G, B, & O) Generic HMO/PPO codes (G) BCBS codes (B) Other carrier codes (O) All … ambiguous codes (G, B, & O) Generic HMO/PPO codes (G) BCBS codes (B) Other carrier codes … compared with B codes. … , and O codes only.

49. Chronic Condition Indicator (CCI) for ICD-9-CM
    hcup-us.ahrq.gov/toolssoftware/chronic/chronic.jsp
    July 01, 2025 - E Codes, or external cause of injury codes, are not classified, because all injuries are assumed to be … in the reassignment of some codes. … New codes are added, existing codes are deleted, and definitions of current codes are changed. … There were no new diagnosis codes for 2015. … codes are represented by 3-, 4-, or 5-character codes with explicit decimals.

50. Adaptation of AHRQ Patient Safety Indicators for Use in ICD-10 Administrative Data by an International Consortium (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/professionals/quality-patient-safety/patient-safety-resources/resources/advances-in-patient-safety-2/vol1/Advances-Quan_52.pdf
    March 10, 2008 - • The codes in ICD-10 are alphanumeric, whereas codes in ICD-9-CM are numeric. … (e.g., 22 codes in ICD-10-GM vs. 1,366 codes in ICD-10-WHO). … Step 1: Searching ICD-10 Diagnosis Codes The original ICD-9-CM codes embedded in the AHRQ PSIs were … list of codes. … However, external cause codes, which are labeled E codes in ICD-9-CM and Y codes in ICD-10-WHO, are

51. Procedure Classes 2015
    hcup-us.ahrq.gov/toolssoftware/procedure/procedure.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 consists of approximately 3,900 procedure codes. … New codes are added, existing codes are deleted, and definitions of current codes are changed. … codes are represented by 3- or 4-character codes with explicit decimals. … These alphanumeric codes are enclosed in quotation marks in the translation files.

52. F-SvcProc-User-Guide-v2022-1 (pdf file)
    hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/SF-SvcProc-User-Guide-v2022-1.pdf
    May 01, 2022 - o Added 286 new CPT codes. o Removed 63 CPT codes that were discontinued during 2021. … Excluded are all other ranges of CPT Category I codes (i.e., codes specific to anesthesia, pathology … (90281–99756, excluding the evaluation and management codes in the range 99201-99499, and codes ending … to the Software v2022.1 Codes valid as of April 1, 2022 • Added 286 new codes • Removed 63 codes that … 223 codes that were discontinued during 2020 v2020.1 Codes valid at any time during calendar year

53. LOINC Code Worksheet
    hcup-us.ahrq.gov/datainnovations/clinicaldata/AppendixK_2LOINCCodesMap.jsp
    October 02, 2010 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes

54. Transcranial Doppler Ultrasonography Screening among Children with Sickle Cell Anemia (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/toolkits/measurespec-code-tables.pdf
    June 05, 2025 - with sickle cell anemia are identified as those with sickle cell anemia- related ICD-9-CM diagnosis codes … Transcranial Doppler Ultrasonography Screening CPT Codes Description Code Type Code Complete study … ICD-9-CM Diagnosis Codes for Identification of Denominator Population Description Code Type Code … ICD-10-CM Diagnosis Codes for Identification of Denominator Population Description Code Type Code … Outpatient Visit Codes Code Type Codes CPT 99201 99202 99203 99204 99205 99211 99212 99213 99214

55. NRD Description of Data Elements
    hcup-us.ahrq.gov/db/nation/nrd/nrddde.jsp
    May 01, 2024 - for ICD-9-CM Elixhauser Comorbidity Software for ICD-9-CM Utilization Flags for Revenue Center Codes … Beginning with data year 2016, the NRD is an annual, calendar year file with diagnosis and procedure codes … DX_PR_Grps Q1Q3 DX_PR_Grps (not in Q4) CM_AIDS AHRQ comorbidity measure for ICD-9-CM codes … Q3 Severity Q1Q3 Severity (not in Q4) CM_ARTH AHRQ comorbidity measure for ICD-9-CM codes … Q3 Severity Q1Q3 Severity (not in Q4) CM_CHF AHRQ comorbidity measure for ICD-9-CM codes

56. Quick Response codes for surgical safety: a prospective pilot study. | PSNet
    psnet.ahrq.gov/issue/quick-response-codes-surgical-safety-prospective-pilot-study
    June 07, 2016 - Study Quick Response codes for surgical safety: a prospective pilot study. … Quick Response codes for surgical safety: a prospective pilot study. … In this study, Quick Response codes (mosaic-type barcodes) proved to be an accurate method for transmitting … Quick Response codes for surgical safety: a prospective pilot study.

57. I. Subcommittee Template: Developing a National Standard Set of Spoken Language Categories and Coding | Agency for Healthcare Research and Quality
    www.ahrq.gov/research/findings/final-reports/iomracereport/reldataapi.html
    September 01, 2018 - rather than numeric codes. … codes are three letter codes currently maintained by SIL International. … ISO codes start with the most comprehensive set (ISO-639-3); after the codes, the language name under … or adopting the detail of the ISO codes. … The ISO codes represent both spoken and written language names; separate script codes apply to written

58. Number of Diagnoses and Procedures Codes in the SID 2022 (xls file)
    hcup-us.ahrq.gov/db/state/siddist/CD-SID_NumberDXandPRcodes.xlsx
    January 01, 2016 - Number of Diagnoses and Procedures Codes in the SID 2022 Intro (CD) This file contains information … on the maximum number of diagnosis and procedure codes in the HCUP State Inpatient Databases (SID), 1998

59. Surgery Flags for Services and Procedures
    hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/surgeryflagssvc_proc.jsp
    July 01, 2025 - , commonly referred to as Current Procedural Terminology (CPT®) codes, as surgical procedures. … There are three types of five-character CPT codes: Category I, which describe services and procedures … CPT Category III Codes, Temporary codes for emerging or experimental services, technology, or procedures … (added v2018): 0042T–0947T Excluded are all other ranges of CPT Category I codes (i.e., codes specific … , and all HCPCS Level II codes.

60. HCUP-US Tools and Software Page CCS-Services and Procedures
    hcup-us.ahrq.gov/toolssoftware/ccs_svcsproc/ccssvcproc.jsp
    July 01, 2025 - 80 percent of the HCPCS codes and are copyrighted and published by the American Medical Association … CPT codes are updated on a calendar year basis with an extensive update effective on January 1 and a … limited "early release" of codes effective on July 1. … HCPCS Level II codes are updated quarterly in January, April, July, and October. … in CPT and HCPCS Level II codes.