The HCUP Surgery Flag software provides a method for identifying surgeries using International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) procedure codes and Current Procedural Terminology (CPT®) procedure codes. Approximately 2,600 ICD-9-CM surgical procedure codes (a subset of the 3,882 ICD-9-CM available procedure codes) and 4,700 CPT surgical procedure codes (a subset of the 9,707 CPT procedure codes) are classified as a narrowly defined therapeutic invasive surgery (NARROW) or a more broadly defined surgery that includes diagnostic invasive procedures (BROAD). A procedure that is classified as a surgery based on a narrow, targeted, and restrictive definition (surgery flag value = NARROW) includes invasive surgical procedures. An invasive therapeutic surgical procedure involving incision, excision, manipulation, or suturing of tissue that penetrates or breaks the skin; typically requires use of an operating room; and also requires regional anesthesia, general anesthesia, or sedation to control pain. A procedure that is classified as a surgery based on a broad definition (surgery flag value = BROAD) includes surgical procedures that may not fit the more strict definition of surgery applied for the narrow flag, but are often performed in surgical settings. This definition includes diagnostic surgical procedures. More information on the HCUP Surgery Flags is available under Tools and Software.
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