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Ambulatory Surgery - Diagnosis, Procedure, and External Cause Codes

Published by Department of Health Care Access and Information | State of California | Metadata Last Checked: November 28, 2025 | Last Modified: 2025-11-06T22:57:53.970589
This dataset contains statewide counts for every diagnosis, procedure, and external cause of injury/morbidity code reported on the ambulatory surgery data. Diagnosis codes are reported using ICD-9-CM or ICD-10-CM. Procedure codes are reported using CPT-4. External cause of injury/morbidity codes are reported using ICD-9-CM or ICD-10-CM. ICD-10 replaced ICD-9, effective October 1, 2015. Note: Physician-owned ambulatory surgery clinics do not report their data to HCAI and, therefore, are not included in the statewide frequencies.

Resources

60 resources available

  • 2016 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2009 Ambulatory Surgery - Procedure Code Frequency

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  • 2015 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2020 Ambulatory Surgery - Procedure Code Frequency

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  • 2015 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2010 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2013 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2007 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2022 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2016 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2010 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2019 Ambulatory Surgery - Procedure Code Frequency

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  • 2005 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2020 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2017 Ambulatory Surgery - Procedure Code Frequency

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  • 2017 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2023 Ambulatory Surgery – Diagnosis Code Frequency

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  • 2006 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2018 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2021 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2012 Ambulatory Surgery - Procedure Code Frequency

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  • 2005 Ambulatory Surgery - Procedure Code Frequency

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  • 2021 Ambulatory Surgery - Procedure Code Frequency

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  • 2023 Ambulatory Surgery – External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2009 Ambulatory Surgery - Diagnosis Code Frequency

    XLSX
  • 2010 Ambulatory Surgery - Procedure Code Frequency

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  • 2012 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2008 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2011 Ambulatory Surgery - Procedure Code Frequency

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  • 2013 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2020 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2016 Ambulatory Surgery - Procedure Code Frequency

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  • 2008 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2021 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2019 Ambulatory Surgery - Diagnosis Code Frequency

    XLSX
  • 2022 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2012 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2013 Ambulatory Surgery - Procedure Code Frequency

    XLSX
  • 2006 Ambulatory Surgery - Procedure Code Frequency

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  • 2019 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2011 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2006 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2007 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2011 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2018 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2023 Ambulatory Surgery – Procedure Code Frequency

    XLSX
  • 2014 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

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  • 2015 Ambulatory Surgery - Procedure Code Frequency

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  • 2009 Ambulatory Surgery - External Cause of Injury/Morbidity Code Frequency

    XLSX
  • 2018 Ambulatory Surgery - Procedure Code Frequency

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  • 2014 Ambulatory Surgery - Procedure Code Frequency

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  • 2022 Ambulatory Surgery - Procedure Code Frequency

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  • 2014 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2008 Ambulatory Surgery - Procedure Code Frequency

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  • 2007 Ambulatory Surgery - Procedure Code Frequency

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  • 2017 Ambulatory Surgery - Diagnosis Code Frequency

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  • 2024 Ambulatory Surgery – Diagnosis Code Frequency

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  • 2024 Ambulatory Surgery – External Cause of Injury/Morbidity Code Frequency

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  • 2024 Ambulatory Surgery – Procedure Code Frequency

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  • All resource data

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