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Central Distributor SASD: Description of Data Elements

APGCATn - Ambulatory Patient Group Category for procedure n (as received from data source)
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes

The data element APGCATn contains the Ambulatory Patient Group Category that is associated with the Current Procedural Terminology (CPT) procedure code or Healthcare Common Procedure Coding System (HCPCS) procedure code stored in the HCUP data element CPTn. No edit checks are performed on this data element during HCUP data processing. Valid values are defined below:

01 = Integumentary System
02 = Musculoskeletal System
03 = Respiratory System
04 = Cardiovascular System
05 = Hematologic, Lymphatic, and Endocrine
06 = Digestive System
07 = Urinary System
08 = Male Genital System
09 = Female Genital System
10 = Nervous System
11 = Eye and Ocular Adnexa
12 = Facial, Ear, Nose, Mouth, and Throat
13 = Therapeutic and Other Radiological Procedures
14 = Physcial Medicine and Rehabilitation
15 = Mental Illness and Other Substance Abuse Therapies
16 = Radiology
17 = Anesthesia
18 = Pathology
19 = Laboratory
20 = Other Ancillary Tests and Procedures
21 = Chemotherapy Drugs
22 = Ancillary Mental Illness and Substance Abuse Services
23 = Incidental Procedures and Services
46 = Errors
Uniform Values
VariableDescriptionValueValue Description
APGCATnAmbulatory Patient Group Category for procedure n (as received from data source)nnAPG Category
State Specific Notes


From 2005 - 2008, Utah provided HCUP with 3M Ambulatory Patient Group Categories. Beginning in 2009, Utah provides 3M Enhanced Ambulatory Patient Group Categories.


Internet Citation: HCUP Central Distributor SASD Description of Data Elements - All States. Healthcare Cost and Utilization Project (HCUP). May 2024. Agency for Healthcare Research and Quality, Rockville, MD.
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Last modified 5/22/24