Ambulatory Surgery - Diagnosis, Procedure, and External Cause Codes

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.

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Data and Resources

Additional Info

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Field Value
Contact Email [email protected]
Program Department of Health Care Access and Information, Healthcare Analytics Branch
Homepage URL https://www.hcai.ca.gov/
Temporal Coverage

2005-most recent available
Spatial/Geographic Coverage

Statewide
Geographic Granularity Statewide
Language English
Frequency Annually
De-Identification Method

https://chhsdata.github.io/dataplaybook/resource_library/#datade-id
Data Collection Tool

Patient Data Reporting
License Terms of Use
Limitations Use of this data is subject to the CHHS Terms of Use and any copyright and proprietary notices incorporated in or accompanying the individual files.
Additional Limitations

Note: Physician-owned ambulatory surgery clinics do not report their data to HCAI and, therefore, are not included in the statewide frequencies.
Last Updated October 2, 2023, 13:42 (UTC)