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21. CHIPRA 136 Table 4 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-136-table-4.pdf
    June 02, 2025 - CPT and revenue codes are indicated as appropriate.) … Hospitalization CPT Codes CPT 99238 CPT 99239 CPT 99221 CPT 99222 CPT 99223 CPT 99356 CPT 99357 … CPT and revenue codes are indicated as appropriate.) … CPT and revenue codes are indicated as appropriate.) … CPT and revenue codes are indicated as appropriate.)

22. Measurement of adverse events using "incidence flagged" diagnosis codes. | PSNet
    psnet.ahrq.gov/issue/measurement-adverse-events-using-incidence-flagged-diagnosis-codes
    June 18, 2013 - Study Measurement of adverse events using "incidence flagged" diagnosis codes. … Measurement of adverse events using "incidence flagged" diagnosis codes. … The authors analyzed Australian hospital administrative data and found that ICD-10 codes alone are less … Measurement of adverse events using "incidence flagged" diagnosis codes.

23. Performance of International Classification of Diseases, 9th Revision, Clinical Modification codes as an adverse drug event surveillance system. | PSNet
    psnet.ahrq.gov/issue/performance-international-classification-diseases-9th-revision-clinical-modification-codes
    May 07, 2008 - Performance of International Classification of Diseases, 9th Revision, Clinical Modification codes … Performance of International Classification Of Diseases, 9th Revision, Clinical Modification codes as … Investigators convened an expert panel to identify codes representing ADEs and then performed retrospective … Overall, flagged ADE codes detected just more than half of ADEs causing hospital admission, making it … Performance of International Classification Of Diseases, 9th Revision, Clinical Modification codes as

24. Appendix A: AHRQ/IHS Improving Health Care Delivery Data Project. Methods | Agency for Healthcare Research and Quality
    www.ahrq.gov/practiceimprovement/delivery-initiative/ihs/appendixa.html
    December 01, 2017 - Definition of Project Service Categories based on IHS Clinic Codes. Appendix A.3. … Definition of Project Service Categories based on IHS Clinic Codes Outpatient service utilization is … Below are the IHS Clinic Codes included in each Service Category. … Key clinic codes are listed above.See Appendix A.3 . Appendix A.3. … : one of the 3 Medical Therapy Management procedure codes       OR 2 – Clinic code: Diabetes

25. Section 1, Table 1 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-113-section-1-table-1.pdf
    June 02, 2025 - CPT and revenue codes are indicated as appropriate.) … Hospitaliz ation CPT Codes CPT 99238 CPT 99239 CPT 99221 CPT 99222 CPT 99223 CPT 99356 CPT 99357 … CPT 99232 CPT 99233 CPT 99234 CPT 99235 CPT 99236 CPT 99218 CPT 99219 CPT 99220 Or Revenue Codes … 0150 0151 0152 0153 0154 0157 0159 0200 0201 0202 0203 0204 0206 Office Visits CPT Codes … 99204 CPT 99205 CPT 99211 CPT 99212 CPT 99213 CPT 99214 CPT 99215 Previous ED Visits CPT Codes

26. Deriving ICD-10 codes for patient safety indicators for large-scale surveillance using administrative hospital data. | PSNet
    psnet.ahrq.gov/issue/deriving-icd-10-codes-patient-safety-indicators-large-scale-surveillance-using-administrative
    December 29, 2014 - Study Deriving ICD-10 codes for patient safety indicators for large-scale surveillance … Deriving ICD-10 Codes for Patient Safety Indicators for Large-scale Surveillance Using Administrative … The implementation of ICD-10 and diagnosis timing codes necessitate development of a new set of PSIs. … This consensus and validation study used a Delphi panel process to determine ICD-10 codes associated … Experts grouped the 640 identified diagnostic codes into 18 PSI categories.

27. CHIPRA 212 Tables 5 to 8 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-212-tables-5-8.pdf
    June 02, 2025 - Mean (Standard Deviation) Proportion in Racial Groups Within Zip Codes of Residence* American Indian … 15.8) 2.7 (1.7) 6.2 (7.5) * Data summarize characteristics of the broader population residing in ZIP codes … Median household Income Within Zip Codes of Residence* Description Mean SD Min 25th … $70,743 $78,691 * Data summarize characteristics of the broader population residing in ZIP codes … Proportion of Sip Codes Categorized as Urban Description Mean SD Min 25th Percentile Median 75th

28. Exhibit 23. Data sources for the SSI common risk factors | Agency for Healthcare Research and Quality
    www.ahrq.gov/research/findings/final-reports/ssi/ssiexh23.html
    April 01, 2018 - Diagnosis ICD-9 codes Chronic kidney dx Utilization Dx Codes Diagnosis ICD-9 codes … Chronic lung dx Utilization Dx Codes Diagnosis ICD-9 codes COPD_hx Utilization … / Surgery Dx Codes Diagnosis ICD-9 codes Diabetes Utilization Dx Codes Diagnosis … ICD-9 codes DVT Utilization/ Surgery Dx Codes Diagnosis Vascular studies Hypocholest … Utilization Dx Codes Diagnosis ICD-9 codes MRSA Utilization Microbiology person_patient.disease_alert_cd

29. DXCCSR-ChangeLog-v20201-v20202 (xls file)
    hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-ChangeLog-v20201-v20202.xlsx
    February 01, 2020 - 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 … v2020.1) No ICD-10-CM diagnosis codes were added in v2020.2.

30. CHIPRA 201: Section 7, Tables 4-7 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-201-asthma-section-7-table-4-7.pdf
    June 02, 2025 - Mean (Standard Deviation) Proportion in Racial Groups within ZIP Codes of Residence* American Indian … 2.0 (1.1) 3.9 (8.3) * Data summarize characteristics of the broader population residing in ZIP codes … Median Household Income within ZIP Codes of Residence* Description Mean SD Min 25th … $99,044 $200,724 * Data summarize characteristics of the broader population residing in ZIP codes … Proportion of ZIP Codes Categorized as Urban* Description Mean SD Min 25th Percentile Median 75th

31. Utilization Flags
    hcup-us.ahrq.gov/toolssoftware/util_flags/utilflag.jsp
    July 01, 2025 - By combining information from ICD-9-CM procedure codes and Uniform Billing (UB-04) revenue center codes … UB-04 revenue codes identify services and accommodations using revenue codes that are accompanied by … Using a combination of the UB-04 revenue codes, ICD-9-CM procedure codes, and Clinical Classifications … New codes are added, existing codes are deleted, and definitions of current codes are changed. … codes.

32. Weighted Summary Statistics: PUF Medicaid Outpatient File (Version 2) (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/data/SyH-DR-PUF-Summary-Statistics-Medicaid-Outpatient-Weighted.pdf
    September 26, 2023 - Imputed Flag PRMRY_DX_IMPUTED Frequency Percent Cumulative Frequency Cumulative Percent No DX codes … data that were used to construct the SyH-DR files included E and V supplemental ICD-9-CM diagnosis codes … data that were used to construct the SyH-DR files included E and V supplemental ICD-9-CM diagnosis codes … data that were used to construct the SyH-DR files included E and V supplemental ICD-9-CM diagnosis codes … 100.00 T1000-T5999: National Codes Established for State Medicaid Agencies 9 0.00 153,674,805 100.00

33. Attachment 2.1 ADHD Chronic Care Follow Up Measure Specifications Document (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/policymakers/chipra/factsheets/fullreports/chipra-145-materials-ii.pdf
    June 02, 2025 - ADHD diagnosis code (314.0) at an outpatient physician visit (see Table 1 for list of acceptable codes … ) in the identification year who has a follow up outpatient visit (see Table 1 list of visit codes) … Table 1: Evaluation and Management Codes to Identify Outpatient Follow-up Visits CPT Codes w/ POS … , but the codes can be converted to equivalent version ICD- 10. … However, the measure was not tested using ICD-10 codes.

34. F-SvcProc-User-Guide-v2024-1 (pdf file)
    hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/SurgeryFlags_Services_Procedures_v2024-1/SF-SvcProc-User-Guide-v2024-1.pdf
    July 01, 2024 - o Added 160 new CPT codes. o Removed 31 CPT codes that were discontinued during 2023. … • CPT Category III Codes, Temporary codes for emerging or experimental services, technology, or … Excluded are all other ranges of CPT Category I codes (i.e., codes specific to anesthesia, pathology … • CPT Category III Codes, Temporary codes for emerging or experimental services, technology, or … to the Software v2024.1 Codes valid as of January 1, 2024 • Added 160 new codes • Removed 31 codes

35. F-SvcProc-User-Guide-v2022-1 (pdf file)
    hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/SF-SvcProc-User-Guide-v2025-1.pdf
    June 01, 2025 - o Added 141 new CPT codes. o Removed 95 CPT codes that were discontinued during 2024. … • CPT Category III Codes, Temporary codes for emerging or experimental services, technology, or … to the Software v2025.1 Codes valid as of January 1, 2025 • Added 141 new codes • Removed 95 codes … new codes • Removed 42 codes that were discontinued during 2022 v2022.1 Codes valid as of April … 1, 2022 • Added 286 new codes • Removed 63 codes that were discontinued during 2021 v2021.1 Codes

36. User Guide (v2025.1) for Chronic Condition Indicator Refined (CCIR) for ICD-10-CM (pdf file)
    hcup-us.ahrq.gov/toolssoftware/chronic_icd10/CCIR-User-Guide-v2025-1.pdf
    November 01, 2024 - chronic condition, such as external cause of morbidity codes (all ICD-10-CM diagnosis codes in the range … -10-CM Codes (N=75,238) Percent of All ICD-10-CM Codes Diagnoses indicating a chronic condition … ICD-10-CM Diagnosis Codes for Which No Determination is Made For certain ICD-10-CM diagnosis codes, … This value includes the following types of ICD-10-CM codes: • External cause of morbidity codes (ICD … measures are chronic, there are a handful of codes (i.e., drug-induced and drug/alcohol use codes)

37. CHIPRA 201: Section 1, Tables 1 and 2 (pdf file)
    www.ahrq.gov/sites/default/files/wysiwyg/pqmp/measures/chronic/chipra-201-asthma-section-1-table-1-2.pdf
    June 02, 2025 - CHIPRA 201: Section 1, Tables 1 and 2 Table 1: Codes to Identify Diagnosis of Asthma Condition Name … ICD-9-CM Codes Asthma 493 Extrinsic asthma 493.0 Extrinsic asthma, unspecified 493.00 Extrinsic … International Classification of Diseases, 9th revision, Clinical Modification (ICD-9-CM) Table 2: Codes … to Identify Exclusions Exclusions for All Cases ICD-9-CM Codes Cystic fibrosis without meconium ileus … perinatal period 770.7 Bronchomalacia 748.3 Not Sufficient for Inclusion, 6 Years or Older ICD-9-CM Codes

38. DXCCSR ChangeLog v20221 v20231 (xls file)
    hcup-us.ahrq.gov/toolssoftware/ccsr/DXCCSR-ChangeLog-v20231-v20241.xlsx
    December 01, 2023 - 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 inpatient principal diagnosis … diagnosis changed List of ICD-10-CM diagnosis codes that were added to the CCSR tool End of Content … Added as cross-reference N End of Content Change_to_IPdefault_CCSR List of ICD-10-CM diagnosis codes

39. Final Progress Report: Improved Patient Safety with Information Technology (pdf file)
    www.ahrq.gov/sites/default/files/2024-07/overhage-report.pdf
    January 01, 2024 - There is a significant number of NDC codes that are not legitimate codes and don’t appear in any database … It seems to cover all NDC codes used by the Wishard outpatient pharmacy? … We defined such NDC codes as “Bad Boys.” … However, most of these “Bad Boy” NDC codes are actually used very rarely. … Reanalysis with the “Bad Boy” codes removed After studying the “Bad Boy” NDC codes that do not match

40. User Guide: Surgery Flag Software For Services and Procedures V2023.1 (pdf file)
    hcup-us.ahrq.gov/toolssoftware/surgeryflags_svcproc/SF-SvcProc-User-Guide-v2023-1.pdf
    February 01, 2024 - o Added 123 new CPT codes. o Removed 42 CPT codes that were discontinued during 2022. … • CPT Category III Codes, Temporary codes for emerging or experimental services, technology, or … Excluded are all other ranges of CPT Category I codes (i.e., codes specific to anesthesia, pathology … • CPT Category III Codes, Temporary codes for emerging or experimental services, technology, or … to the Software v2023.1 Codes valid as of January 1, 2023 • Added 123 new codes • Removed 42 codes