| I10_DXCCSn - Clinical Classifications Software (CCS): ICD-10-CM diagnosis classification |
| Documentation Sections: |
| General Notes |
| Uniform Values |
| State Specific Notes |
| General Notes |
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Clinical Classifications Software (CCS) consists of over 260 diagnosis categories. All ICD-10-CM diagnosis codes are classified. I10_DXCCSn is coded as follows:
For data prior to the fourth quarter of 2015, the CCS is stored in the data element DXCCSn to indicate the use of the ICD-9-CM coding system. In HCUP databases before 1998, this data element is called DCCHPRn. Labels Labels for CCS categories are provided as an ASCII file in HCUP Tools: Labels and Formats. Formats Formats to label CCS categories are documented in HCUP Tools: Labels and Formats. A format is also available to map CCS codes into a few broad classes of conditions based on ICD-10-CM chapters. |
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| Uniform Values | ||||||||||||||||
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| State Specific Notes |
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| Internet Citation: HCUP Central Distributor SID Description of Data Elements - All States. Healthcare Cost and Utilization Project (HCUP). November 2025. Agency for Healthcare Research and Quality, Rockville, MD. hcup-us.ahrq.gov/db/vars/siddistnote.jsp?var=i10_dxccsn. |
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| Last modified 11/19/25 |